169202440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1609}}^1$

素因数の和:1870

約数の個数: 64

約数和(自身を含む): 417312000

約数和(自身を除く): 248109560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 239, 440, 478, 956, 1195, 1609, 1912, 2390, 2629, 3218, 4780, 5258, 6436, 8045, 9560, 10516, 12872, 13145, 16090, 17699, 21032, 26290, 32180, 35398, 52580, 64360, 70796, 88495, 105160, 141592, 176990, 353980, 384551, 707960, 769102, 1538204, 1922755, 3076408, 3845510, 4230061, 7691020, 8460122, 15382040, 16920244, 21150305, 33840488, 42300610, 84601220, 169202440]

約数ペア:

[(1, 169202440), (2, 84601220), (4, 42300610), (5, 33840488), (8, 21150305), (10, 16920244), (11, 15382040), (20, 8460122), (22, 7691020), (40, 4230061), (44, 3845510), (55, 3076408), (88, 1922755), (110, 1538204), (220, 769102), (239, 707960), (440, 384551), (478, 353980), (956, 176990), (1195, 141592), (1609, 105160), (1912, 88495), (2390, 70796), (2629, 64360), (3218, 52580), (4780, 35398), (5258, 32180), (6436, 26290), (8045, 21032), (9560, 17699), (10516, 16090), (12872, 13145)]