38971940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 97161792

約数和(自身を除く): 58189852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 331, 406, 580, 662, 812, 841, 1015, 1324, 1655, 1682, 2030, 2317, 3310, 3364, 4060, 4205, 4634, 5887, 6620, 8410, 9268, 9599, 11585, 11774, 16820, 19198, 23170, 23548, 29435, 38396, 46340, 47995, 58870, 67193, 95990, 117740, 134386, 191980, 268772, 278371, 335965, 556742, 671930, 1113484, 1343860, 1391855, 1948597, 2783710, 3897194, 5567420, 7794388, 9742985, 19485970, 38971940]

約数ペア:

[(1, 38971940), (2, 19485970), (4, 9742985), (5, 7794388), (7, 5567420), (10, 3897194), (14, 2783710), (20, 1948597), (28, 1391855), (29, 1343860), (35, 1113484), (58, 671930), (70, 556742), (116, 335965), (140, 278371), (145, 268772), (203, 191980), (290, 134386), (331, 117740), (406, 95990), (580, 67193), (662, 58870), (812, 47995), (841, 46340), (1015, 38396), (1324, 29435), (1655, 23548), (1682, 23170), (2030, 19198), (2317, 16820), (3310, 11774), (3364, 11585), (4060, 9599), (4205, 9268), (4634, 8410), (5887, 6620)]