489525520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{556279}}^1$

素因数の和:556303

約数の個数: 40

約数和(自身を含む): 1241616960

約数和(自身を除く): 752091440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 556279, 1112558, 2225116, 2781395, 4450232, 5562790, 6119069, 8900464, 11125580, 12238138, 22251160, 24476276, 30595345, 44502320, 48952552, 61190690, 97905104, 122381380, 244762760, 489525520]

約数ペア:

[(1, 489525520), (2, 244762760), (4, 122381380), (5, 97905104), (8, 61190690), (10, 48952552), (11, 44502320), (16, 30595345), (20, 24476276), (22, 22251160), (40, 12238138), (44, 11125580), (55, 8900464), (80, 6119069), (88, 5562790), (110, 4450232), (176, 2781395), (220, 2225116), (440, 1112558), (880, 556279)]