77070340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 168182784

約数和(自身を除く): 91112444

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 197, 310, 394, 620, 631, 788, 985, 1262, 1970, 2524, 3155, 3940, 6107, 6310, 12214, 12620, 19561, 24428, 30535, 39122, 61070, 78244, 97805, 122140, 124307, 195610, 248614, 391220, 497228, 621535, 1243070, 2486140, 3853517, 7707034, 15414068, 19267585, 38535170, 77070340]

約数ペア:

[(1, 77070340), (2, 38535170), (4, 19267585), (5, 15414068), (10, 7707034), (20, 3853517), (31, 2486140), (62, 1243070), (124, 621535), (155, 497228), (197, 391220), (310, 248614), (394, 195610), (620, 124307), (631, 122140), (788, 97805), (985, 78244), (1262, 61070), (1970, 39122), (2524, 30535), (3155, 24428), (3940, 19561), (6107, 12620), (6310, 12214)]