17387578220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{111731}}^1$

素因数の和:112022

約数の個数: 48

約数和(自身を含む): 37842287616

約数和(自身を除く): 20454709396

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 251, 310, 502, 620, 1004, 1255, 2510, 5020, 7781, 15562, 31124, 38905, 77810, 111731, 155620, 223462, 446924, 558655, 1117310, 2234620, 3463661, 6927322, 13854644, 17318305, 28044481, 34636610, 56088962, 69273220, 112177924, 140222405, 280444810, 560889620, 869378911, 1738757822, 3477515644, 4346894555, 8693789110, 17387578220]

約数ペア:

[(1, 17387578220), (2, 8693789110), (4, 4346894555), (5, 3477515644), (10, 1738757822), (20, 869378911), (31, 560889620), (62, 280444810), (124, 140222405), (155, 112177924), (251, 69273220), (310, 56088962), (502, 34636610), (620, 28044481), (1004, 17318305), (1255, 13854644), (2510, 6927322), (5020, 3463661), (7781, 2234620), (15562, 1117310), (31124, 558655), (38905, 446924), (77810, 223462), (111731, 155620)]