42473620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4273}}^1$

素因数の和:4360

約数の個数: 48

約数和(自身を含む): 103396608

約数和(自身を除く): 60922988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4273, 4970, 8546, 9940, 17092, 21365, 29911, 42730, 59822, 85460, 119644, 149555, 299110, 303383, 598220, 606766, 1213532, 1516915, 2123681, 3033830, 4247362, 6067660, 8494724, 10618405, 21236810, 42473620]

約数ペア:

[(1, 42473620), (2, 21236810), (4, 10618405), (5, 8494724), (7, 6067660), (10, 4247362), (14, 3033830), (20, 2123681), (28, 1516915), (35, 1213532), (70, 606766), (71, 598220), (140, 303383), (142, 299110), (284, 149555), (355, 119644), (497, 85460), (710, 59822), (994, 42730), (1420, 29911), (1988, 21365), (2485, 17092), (4273, 9940), (4970, 8546)]