54997100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 125075328

約数和(自身を除く): 70078228

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 113, 124, 155, 157, 226, 310, 314, 452, 565, 620, 628, 775, 785, 1130, 1550, 1570, 2260, 2825, 3100, 3140, 3503, 3925, 4867, 5650, 7006, 7850, 9734, 11300, 14012, 15700, 17515, 17741, 19468, 24335, 35030, 35482, 48670, 70060, 70964, 87575, 88705, 97340, 121675, 175150, 177410, 243350, 350300, 354820, 443525, 486700, 549971, 887050, 1099942, 1774100, 2199884, 2749855, 5499710, 10999420, 13749275, 27498550, 54997100]

約数ペア:

[(1, 54997100), (2, 27498550), (4, 13749275), (5, 10999420), (10, 5499710), (20, 2749855), (25, 2199884), (31, 1774100), (50, 1099942), (62, 887050), (100, 549971), (113, 486700), (124, 443525), (155, 354820), (157, 350300), (226, 243350), (310, 177410), (314, 175150), (452, 121675), (565, 97340), (620, 88705), (628, 87575), (775, 70964), (785, 70060), (1130, 48670), (1550, 35482), (1570, 35030), (2260, 24335), (2825, 19468), (3100, 17741), (3140, 17515), (3503, 15700), (3925, 14012), (4867, 11300), (5650, 9734), (7006, 7850)]