745550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 48

約数和(自身を含む): 1583232

約数和(自身を除く): 837682

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 37, 50, 62, 65, 74, 130, 155, 185, 310, 325, 370, 403, 481, 650, 775, 806, 925, 962, 1147, 1550, 1850, 2015, 2294, 2405, 4030, 4810, 5735, 10075, 11470, 12025, 14911, 20150, 24050, 28675, 29822, 57350, 74555, 149110, 372775, 745550]

約数ペア:

[(1, 745550), (2, 372775), (5, 149110), (10, 74555), (13, 57350), (25, 29822), (26, 28675), (31, 24050), (37, 20150), (50, 14911), (62, 12025), (65, 11470), (74, 10075), (130, 5735), (155, 4810), (185, 4030), (310, 2405), (325, 2294), (370, 2015), (403, 1850), (481, 1550), (650, 1147), (775, 962), (806, 925)]