110786980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 239984640

約数和(自身を除く): 129197660

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 610, 710, 1220, 1279, 1420, 2558, 4331, 5116, 6395, 8662, 12790, 17324, 21655, 25580, 43310, 78019, 86620, 90809, 156038, 181618, 312076, 363236, 390095, 454045, 780190, 908090, 1560380, 1816180, 5539349, 11078698, 22157396, 27696745, 55393490, 110786980]

約数ペア:

[(1, 110786980), (2, 55393490), (4, 27696745), (5, 22157396), (10, 11078698), (20, 5539349), (61, 1816180), (71, 1560380), (122, 908090), (142, 780190), (244, 454045), (284, 390095), (305, 363236), (355, 312076), (610, 181618), (710, 156038), (1220, 90809), (1279, 86620), (1420, 78019), (2558, 43310), (4331, 25580), (5116, 21655), (6395, 17324), (8662, 12790)]