920398590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{444637}}^1$

素因数の和:444673

約数の個数: 48

約数和(自身を含む): 2497087008

約数和(自身を除く): 1576688418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 444637, 889274, 1333911, 2223185, 2667822, 4001733, 4446370, 6669555, 8003466, 10226651, 13339110, 20008665, 20453302, 30679953, 40017330, 51133255, 61359906, 92039859, 102266510, 153399765, 184079718, 306799530, 460199295, 920398590]

約数ペア:

[(1, 920398590), (2, 460199295), (3, 306799530), (5, 184079718), (6, 153399765), (9, 102266510), (10, 92039859), (15, 61359906), (18, 51133255), (23, 40017330), (30, 30679953), (45, 20453302), (46, 20008665), (69, 13339110), (90, 10226651), (115, 8003466), (138, 6669555), (207, 4446370), (230, 4001733), (345, 2667822), (414, 2223185), (690, 1333911), (1035, 889274), (2070, 444637)]