201964100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{461}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 474401928

約数和(自身を除く): 272437828

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 337, 461, 650, 674, 922, 1300, 1348, 1685, 1844, 2305, 3370, 4381, 4610, 5993, 6740, 8425, 8762, 9220, 11525, 11986, 16850, 17524, 21905, 23050, 23972, 29965, 33700, 43810, 46100, 59930, 87620, 109525, 119860, 149825, 155357, 219050, 299650, 310714, 438100, 599300, 621428, 776785, 1553570, 2019641, 3107140, 3883925, 4039282, 7767850, 8078564, 10098205, 15535700, 20196410, 40392820, 50491025, 100982050, 201964100]

約数ペア:

[(1, 201964100), (2, 100982050), (4, 50491025), (5, 40392820), (10, 20196410), (13, 15535700), (20, 10098205), (25, 8078564), (26, 7767850), (50, 4039282), (52, 3883925), (65, 3107140), (100, 2019641), (130, 1553570), (260, 776785), (325, 621428), (337, 599300), (461, 438100), (650, 310714), (674, 299650), (922, 219050), (1300, 155357), (1348, 149825), (1685, 119860), (1844, 109525), (2305, 87620), (3370, 59930), (4381, 46100), (4610, 43810), (5993, 33700), (6740, 29965), (8425, 23972), (8762, 23050), (9220, 21905), (11525, 17524), (11986, 16850)]