870859240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{5581}}^1$

素因数の和:5722

約数の個数: 64

約数和(自身を含む): 2025596160

約数和(自身を除く): 1154736920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 83, 94, 166, 188, 235, 332, 376, 415, 470, 664, 830, 940, 1660, 1880, 3320, 3901, 5581, 7802, 11162, 15604, 19505, 22324, 27905, 31208, 39010, 44648, 55810, 78020, 111620, 156040, 223240, 262307, 463223, 524614, 926446, 1049228, 1311535, 1852892, 2098456, 2316115, 2623070, 3705784, 4632230, 5246140, 9264460, 10492280, 18528920, 21771481, 43542962, 87085924, 108857405, 174171848, 217714810, 435429620, 870859240]

約数ペア:

[(1, 870859240), (2, 435429620), (4, 217714810), (5, 174171848), (8, 108857405), (10, 87085924), (20, 43542962), (40, 21771481), (47, 18528920), (83, 10492280), (94, 9264460), (166, 5246140), (188, 4632230), (235, 3705784), (332, 2623070), (376, 2316115), (415, 2098456), (470, 1852892), (664, 1311535), (830, 1049228), (940, 926446), (1660, 524614), (1880, 463223), (3320, 262307), (3901, 223240), (5581, 156040), (7802, 111620), (11162, 78020), (15604, 55810), (19505, 44648), (22324, 39010), (27905, 31208)]