2912985980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1\times {\mathrm{4621}}^1$

素因数の和:5406

約数の個数: 48

約数和(自身を含む): 6269428704

約数和(自身を除く): 3356442724

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 733, 860, 1466, 2932, 3665, 4621, 7330, 9242, 14660, 18484, 23105, 31519, 46210, 63038, 92420, 126076, 157595, 198703, 315190, 397406, 630380, 794812, 993515, 1987030, 3387193, 3974060, 6774386, 13548772, 16935965, 33871930, 67743860, 145649299, 291298598, 582597196, 728246495, 1456492990, 2912985980]

約数ペア:

[(1, 2912985980), (2, 1456492990), (4, 728246495), (5, 582597196), (10, 291298598), (20, 145649299), (43, 67743860), (86, 33871930), (172, 16935965), (215, 13548772), (430, 6774386), (733, 3974060), (860, 3387193), (1466, 1987030), (2932, 993515), (3665, 794812), (4621, 630380), (7330, 397406), (9242, 315190), (14660, 198703), (18484, 157595), (23105, 126076), (31519, 92420), (46210, 63038)]