31989100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2237}}^1$

素因数の和:2275

約数の個数: 72

約数和(自身を含む): 81588528

約数和(自身を除く): 49599428

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1300, 1430, 2237, 2860, 3575, 4474, 7150, 8948, 11185, 14300, 22370, 24607, 29081, 44740, 49214, 55925, 58162, 98428, 111850, 116324, 123035, 145405, 223700, 246070, 290810, 319891, 492140, 581620, 615175, 639782, 727025, 1230350, 1279564, 1454050, 1599455, 2460700, 2908100, 3198910, 6397820, 7997275, 15994550, 31989100]

約数ペア:

[(1, 31989100), (2, 15994550), (4, 7997275), (5, 6397820), (10, 3198910), (11, 2908100), (13, 2460700), (20, 1599455), (22, 1454050), (25, 1279564), (26, 1230350), (44, 727025), (50, 639782), (52, 615175), (55, 581620), (65, 492140), (100, 319891), (110, 290810), (130, 246070), (143, 223700), (220, 145405), (260, 123035), (275, 116324), (286, 111850), (325, 98428), (550, 58162), (572, 55925), (650, 49214), (715, 44740), (1100, 29081), (1300, 24607), (1430, 22370), (2237, 14300), (2860, 11185), (3575, 8948), (4474, 7150)]