1227431380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43189}}^1$

素因数の和:43241

約数の個数: 72

約数和(自身を含む): 3101905800

約数和(自身を除く): 1874474420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 4060, 5684, 7105, 14210, 28420, 43189, 86378, 172756, 215945, 302323, 431890, 604646, 863780, 1209292, 1252481, 1511615, 2116261, 2504962, 3023230, 4232522, 5009924, 6046460, 6262405, 8465044, 8767367, 10581305, 12524810, 17534734, 21162610, 25049620, 35069468, 42325220, 43836835, 61371569, 87673670, 122743138, 175347340, 245486276, 306857845, 613715690, 1227431380]

約数ペア:

[(1, 1227431380), (2, 613715690), (4, 306857845), (5, 245486276), (7, 175347340), (10, 122743138), (14, 87673670), (20, 61371569), (28, 43836835), (29, 42325220), (35, 35069468), (49, 25049620), (58, 21162610), (70, 17534734), (98, 12524810), (116, 10581305), (140, 8767367), (145, 8465044), (196, 6262405), (203, 6046460), (245, 5009924), (290, 4232522), (406, 3023230), (490, 2504962), (580, 2116261), (812, 1511615), (980, 1252481), (1015, 1209292), (1421, 863780), (2030, 604646), (2842, 431890), (4060, 302323), (5684, 215945), (7105, 172756), (14210, 86378), (28420, 43189)]