398889400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:175

約数の個数: 288

約数和(自身を含む): 1211172480

約数和(自身を除く): 812283080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 31, 35, 40, 49, 50, 52, 56, 62, 65, 70, 91, 98, 100, 101, 104, 124, 130, 140, 155, 175, 182, 196, 200, 202, 217, 245, 248, 260, 280, 310, 325, 350, 364, 392, 403, 404, 434, 455, 490, 505, 520, 620, 637, 650, 700, 707, 728, 775, 806, 808, 868, 910, 980, 1010, 1085, 1225, 1240, 1274, 1300, 1313, 1400, 1414, 1519, 1550, 1612, 1736, 1820, 1960, 2015, 2020, 2170, 2275, 2450, 2525, 2548, 2600, 2626, 2821, 2828, 3038, 3100, 3131, 3185, 3224, 3535, 3640, 4030, 4040, 4340, 4550, 4900, 4949, 5050, 5096, 5252, 5425, 5642, 5656, 6076, 6200, 6262, 6370, 6565, 7070, 7595, 8060, 8680, 9100, 9191, 9800, 9898, 10075, 10100, 10504, 10850, 11284, 12152, 12524, 12740, 13130, 14105, 14140, 15190, 15655, 15925, 16120, 17675, 18200, 18382, 19747, 19796, 20150, 20200, 21700, 21917, 22568, 24745, 25048, 25480, 26260, 28210, 28280, 30380, 31310, 31850, 32825, 35350, 36764, 37975, 39494, 39592, 40300, 40703, 43400, 43834, 45955, 49490, 52520, 56420, 60760, 62620, 63700, 64337, 65650, 70525, 70700, 73528, 75950, 78275, 78988, 80600, 81406, 87668, 91910, 98735, 98980, 109585, 112840, 123725, 125240, 127400, 128674, 131300, 141050, 141400, 151900, 153419, 156550, 157976, 162812, 175336, 183820, 197470, 197960, 203515, 219170, 229775, 247450, 257348, 262600, 282100, 284921, 303800, 306838, 313100, 321685, 325624, 367640, 394940, 407030, 438340, 459550, 493675, 494900, 514696, 547925, 564200, 569842, 613676, 626200, 643370, 767095, 789880, 814060, 876680, 919100, 987350, 989800, 1017575, 1095850, 1139684, 1227352, 1286740, 1424605, 1534190, 1608425, 1628120, 1838200, 1974700, 1994447, 2035150, 2191700, 2279368, 2573480, 2849210, 3068380, 3216850, 3835475, 3949400, 3988894, 4070300, 4383400, 5698420, 6136760, 6433700, 7123025, 7670950, 7977788, 8140600, 9972235, 11396840, 12867400, 14246050, 15341900, 15955576, 19944470, 28492100, 30683800, 39888940, 49861175, 56984200, 79777880, 99722350, 199444700, 398889400]

約数ペア:

[(1, 398889400), (2, 199444700), (4, 99722350), (5, 79777880), (7, 56984200), (8, 49861175), (10, 39888940), (13, 30683800), (14, 28492100), (20, 19944470), (25, 15955576), (26, 15341900), (28, 14246050), (31, 12867400), (35, 11396840), (40, 9972235), (49, 8140600), (50, 7977788), (52, 7670950), (56, 7123025), (62, 6433700), (65, 6136760), (70, 5698420), (91, 4383400), (98, 4070300), (100, 3988894), (101, 3949400), (104, 3835475), (124, 3216850), (130, 3068380), (140, 2849210), (155, 2573480), (175, 2279368), (182, 2191700), (196, 2035150), (200, 1994447), (202, 1974700), (217, 1838200), (245, 1628120), (248, 1608425), (260, 1534190), (280, 1424605), (310, 1286740), (325, 1227352), (350, 1139684), (364, 1095850), (392, 1017575), (403, 989800), (404, 987350), (434, 919100), (455, 876680), (490, 814060), (505, 789880), (520, 767095), (620, 643370), (637, 626200), (650, 613676), (700, 569842), (707, 564200), (728, 547925), (775, 514696), (806, 494900), (808, 493675), (868, 459550), (910, 438340), (980, 407030), (1010, 394940), (1085, 367640), (1225, 325624), (1240, 321685), (1274, 313100), (1300, 306838), (1313, 303800), (1400, 284921), (1414, 282100), (1519, 262600), (1550, 257348), (1612, 247450), (1736, 229775), (1820, 219170), (1960, 203515), (2015, 197960), (2020, 197470), (2170, 183820), (2275, 175336), (2450, 162812), (2525, 157976), (2548, 156550), (2600, 153419), (2626, 151900), (2821, 141400), (2828, 141050), (3038, 131300), (3100, 128674), (3131, 127400), (3185, 125240), (3224, 123725), (3535, 112840), (3640, 109585), (4030, 98980), (4040, 98735), (4340, 91910), (4550, 87668), (4900, 81406), (4949, 80600), (5050, 78988), (5096, 78275), (5252, 75950), (5425, 73528), (5642, 70700), (5656, 70525), (6076, 65650), (6200, 64337), (6262, 63700), (6370, 62620), (6565, 60760), (7070, 56420), (7595, 52520), (8060, 49490), (8680, 45955), (9100, 43834), (9191, 43400), (9800, 40703), (9898, 40300), (10075, 39592), (10100, 39494), (10504, 37975), (10850, 36764), (11284, 35350), (12152, 32825), (12524, 31850), (12740, 31310), (13130, 30380), (14105, 28280), (14140, 28210), (15190, 26260), (15655, 25480), (15925, 25048), (16120, 24745), (17675, 22568), (18200, 21917), (18382, 21700), (19747, 20200), (19796, 20150)]