2156543180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1303}}^1\times {\mathrm{7523}}^1$

素因数の和:8846

約数の個数: 48

約数和(自身を含む): 4944893184

約数和(自身を除く): 2788350004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1303, 2606, 5212, 6515, 7523, 13030, 14333, 15046, 26060, 28666, 30092, 37615, 57332, 71665, 75230, 82753, 143330, 150460, 165506, 286660, 331012, 413765, 827530, 1655060, 9802469, 19604938, 39209876, 49012345, 98024690, 107827159, 196049380, 215654318, 431308636, 539135795, 1078271590, 2156543180]

約数ペア:

[(1, 2156543180), (2, 1078271590), (4, 539135795), (5, 431308636), (10, 215654318), (11, 196049380), (20, 107827159), (22, 98024690), (44, 49012345), (55, 39209876), (110, 19604938), (220, 9802469), (1303, 1655060), (2606, 827530), (5212, 413765), (6515, 331012), (7523, 286660), (13030, 165506), (14333, 150460), (15046, 143330), (26060, 82753), (28666, 75230), (30092, 71665), (37615, 57332)]