127932820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2707}}^1$

素因数の和:2872

約数の個数: 48

約数和(自身を含む): 286614720

約数和(自身を除く): 158681900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 2363, 2707, 2780, 4726, 5414, 9452, 10828, 11815, 13535, 23630, 27070, 46019, 47260, 54140, 92038, 184076, 230095, 376273, 460190, 752546, 920380, 1505092, 1881365, 3762730, 6396641, 7525460, 12793282, 25586564, 31983205, 63966410, 127932820]

約数ペア:

[(1, 127932820), (2, 63966410), (4, 31983205), (5, 25586564), (10, 12793282), (17, 7525460), (20, 6396641), (34, 3762730), (68, 1881365), (85, 1505092), (139, 920380), (170, 752546), (278, 460190), (340, 376273), (556, 230095), (695, 184076), (1390, 92038), (2363, 54140), (2707, 47260), (2780, 46019), (4726, 27070), (5414, 23630), (9452, 13535), (10828, 11815)]