490940800

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 288

約数和(自身を含む): 1470709440

約数和(自身を除く): 979768640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 49, 50, 56, 62, 64, 70, 80, 98, 100, 101, 112, 124, 128, 140, 155, 160, 175, 196, 200, 202, 217, 224, 245, 248, 280, 310, 320, 350, 392, 400, 404, 434, 448, 490, 496, 505, 560, 620, 640, 700, 707, 775, 784, 800, 808, 868, 896, 980, 992, 1010, 1085, 1120, 1225, 1240, 1400, 1414, 1519, 1550, 1568, 1600, 1616, 1736, 1960, 1984, 2020, 2170, 2240, 2450, 2480, 2525, 2800, 2828, 3038, 3100, 3131, 3136, 3200, 3232, 3472, 3535, 3920, 3968, 4040, 4340, 4480, 4900, 4949, 4960, 5050, 5425, 5600, 5656, 6076, 6200, 6262, 6272, 6464, 6944, 7070, 7595, 7840, 8080, 8680, 9800, 9898, 9920, 10100, 10850, 11200, 11312, 12152, 12400, 12524, 12928, 13888, 14140, 15190, 15655, 15680, 16160, 17360, 17675, 19600, 19796, 19840, 20200, 21700, 21917, 22400, 22624, 24304, 24745, 24800, 25048, 27776, 28280, 30380, 31310, 31360, 32320, 34720, 35350, 37975, 39200, 39592, 40400, 43400, 43834, 45248, 48608, 49490, 49600, 50096, 56560, 60760, 62620, 64640, 69440, 70700, 75950, 78275, 78400, 79184, 80800, 86800, 87668, 90496, 97216, 98980, 99200, 100192, 109585, 113120, 121520, 123725, 125240, 138880, 141400, 151900, 153419, 156550, 156800, 158368, 161600, 173600, 175336, 194432, 197960, 200384, 219170, 226240, 243040, 247450, 250480, 282800, 303800, 306838, 313100, 316736, 323200, 347200, 350672, 395920, 400768, 438340, 452480, 486080, 494900, 500960, 547925, 565600, 607600, 613676, 626200, 633472, 694400, 701344, 767095, 791840, 876680, 972160, 989800, 1001920, 1095850, 1131200, 1215200, 1227352, 1252400, 1402688, 1534190, 1583680, 1753360, 1979600, 2003840, 2191700, 2262400, 2430400, 2454704, 2504800, 2805376, 3068380, 3167360, 3506720, 3835475, 3959200, 4383400, 4860800, 4909408, 5009600, 6136760, 7013440, 7670950, 7918400, 8766800, 9818816, 10019200, 12273520, 14026880, 15341900, 15836800, 17533600, 19637632, 24547040, 30683800, 35067200, 49094080, 61367600, 70134400, 98188160, 122735200, 245470400, 490940800]

約数ペア:

[(1, 490940800), (2, 245470400), (4, 122735200), (5, 98188160), (7, 70134400), (8, 61367600), (10, 49094080), (14, 35067200), (16, 30683800), (20, 24547040), (25, 19637632), (28, 17533600), (31, 15836800), (32, 15341900), (35, 14026880), (40, 12273520), (49, 10019200), (50, 9818816), (56, 8766800), (62, 7918400), (64, 7670950), (70, 7013440), (80, 6136760), (98, 5009600), (100, 4909408), (101, 4860800), (112, 4383400), (124, 3959200), (128, 3835475), (140, 3506720), (155, 3167360), (160, 3068380), (175, 2805376), (196, 2504800), (200, 2454704), (202, 2430400), (217, 2262400), (224, 2191700), (245, 2003840), (248, 1979600), (280, 1753360), (310, 1583680), (320, 1534190), (350, 1402688), (392, 1252400), (400, 1227352), (404, 1215200), (434, 1131200), (448, 1095850), (490, 1001920), (496, 989800), (505, 972160), (560, 876680), (620, 791840), (640, 767095), (700, 701344), (707, 694400), (775, 633472), (784, 626200), (800, 613676), (808, 607600), (868, 565600), (896, 547925), (980, 500960), (992, 494900), (1010, 486080), (1085, 452480), (1120, 438340), (1225, 400768), (1240, 395920), (1400, 350672), (1414, 347200), (1519, 323200), (1550, 316736), (1568, 313100), (1600, 306838), (1616, 303800), (1736, 282800), (1960, 250480), (1984, 247450), (2020, 243040), (2170, 226240), (2240, 219170), (2450, 200384), (2480, 197960), (2525, 194432), (2800, 175336), (2828, 173600), (3038, 161600), (3100, 158368), (3131, 156800), (3136, 156550), (3200, 153419), (3232, 151900), (3472, 141400), (3535, 138880), (3920, 125240), (3968, 123725), (4040, 121520), (4340, 113120), (4480, 109585), (4900, 100192), (4949, 99200), (4960, 98980), (5050, 97216), (5425, 90496), (5600, 87668), (5656, 86800), (6076, 80800), (6200, 79184), (6262, 78400), (6272, 78275), (6464, 75950), (6944, 70700), (7070, 69440), (7595, 64640), (7840, 62620), (8080, 60760), (8680, 56560), (9800, 50096), (9898, 49600), (9920, 49490), (10100, 48608), (10850, 45248), (11200, 43834), (11312, 43400), (12152, 40400), (12400, 39592), (12524, 39200), (12928, 37975), (13888, 35350), (14140, 34720), (15190, 32320), (15655, 31360), (15680, 31310), (16160, 30380), (17360, 28280), (17675, 27776), (19600, 25048), (19796, 24800), (19840, 24745), (20200, 24304), (21700, 22624), (21917, 22400)]