31990500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{7109}}^1$

素因数の和:7134

約数の個数: 72

約数和(自身を含む): 100933560

約数和(自身を除く): 68943060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 7109, 14218, 21327, 28436, 35545, 42654, 63981, 71090, 85308, 106635, 127962, 142180, 177725, 213270, 255924, 319905, 355450, 426540, 533175, 639810, 710900, 888625, 1066350, 1279620, 1599525, 1777250, 2132700, 2665875, 3199050, 3554500, 5331750, 6398100, 7997625, 10663500, 15995250, 31990500]

約数ペア:

[(1, 31990500), (2, 15995250), (3, 10663500), (4, 7997625), (5, 6398100), (6, 5331750), (9, 3554500), (10, 3199050), (12, 2665875), (15, 2132700), (18, 1777250), (20, 1599525), (25, 1279620), (30, 1066350), (36, 888625), (45, 710900), (50, 639810), (60, 533175), (75, 426540), (90, 355450), (100, 319905), (125, 255924), (150, 213270), (180, 177725), (225, 142180), (250, 127962), (300, 106635), (375, 85308), (450, 71090), (500, 63981), (750, 42654), (900, 35545), (1125, 28436), (1500, 21327), (2250, 14218), (4500, 7109)]