238754560

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:610

約数の個数: 144

約数和(自身を含む): 645184512

約数和(自身を除く): 406429952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 547, 620, 640, 682, 704, 880, 992, 1094, 1240, 1280, 1364, 1408, 1705, 1760, 1984, 2188, 2480, 2728, 2735, 2816, 3410, 3520, 3968, 4376, 4960, 5456, 5470, 6017, 6820, 7040, 7936, 8752, 9920, 10912, 10940, 12034, 13640, 14080, 16957, 17504, 19840, 21824, 21880, 24068, 27280, 30085, 33914, 35008, 39680, 43648, 43760, 48136, 54560, 60170, 67828, 70016, 84785, 87296, 87520, 96272, 109120, 120340, 135656, 140032, 169570, 175040, 186527, 192544, 218240, 240680, 271312, 339140, 350080, 373054, 385088, 436480, 481360, 542624, 678280, 700160, 746108, 770176, 932635, 962720, 1085248, 1356560, 1492216, 1540352, 1865270, 1925440, 2170496, 2713120, 2984432, 3730540, 3850880, 4340992, 5426240, 5968864, 7461080, 7701760, 10852480, 11937728, 14922160, 21704960, 23875456, 29844320, 47750912, 59688640, 119377280, 238754560]

約数ペア:

[(1, 238754560), (2, 119377280), (4, 59688640), (5, 47750912), (8, 29844320), (10, 23875456), (11, 21704960), (16, 14922160), (20, 11937728), (22, 10852480), (31, 7701760), (32, 7461080), (40, 5968864), (44, 5426240), (55, 4340992), (62, 3850880), (64, 3730540), (80, 2984432), (88, 2713120), (110, 2170496), (124, 1925440), (128, 1865270), (155, 1540352), (160, 1492216), (176, 1356560), (220, 1085248), (248, 962720), (256, 932635), (310, 770176), (320, 746108), (341, 700160), (352, 678280), (440, 542624), (496, 481360), (547, 436480), (620, 385088), (640, 373054), (682, 350080), (704, 339140), (880, 271312), (992, 240680), (1094, 218240), (1240, 192544), (1280, 186527), (1364, 175040), (1408, 169570), (1705, 140032), (1760, 135656), (1984, 120340), (2188, 109120), (2480, 96272), (2728, 87520), (2735, 87296), (2816, 84785), (3410, 70016), (3520, 67828), (3968, 60170), (4376, 54560), (4960, 48136), (5456, 43760), (5470, 43648), (6017, 39680), (6820, 35008), (7040, 33914), (7936, 30085), (8752, 27280), (9920, 24068), (10912, 21880), (10940, 21824), (12034, 19840), (13640, 17504), (14080, 16957)]