142741775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1607}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 215343360

約数和(自身を除く): 72601585

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 187, 209, 275, 323, 425, 475, 935, 1045, 1607, 1615, 3553, 4675, 5225, 8035, 8075, 17677, 17765, 27319, 30533, 40175, 88385, 88825, 136595, 152665, 300509, 335863, 441925, 519061, 682975, 763325, 1502545, 1679315, 2595305, 5709671, 7512725, 8396575, 12976525, 28548355, 142741775]

約数ペア:

[(1, 142741775), (5, 28548355), (11, 12976525), (17, 8396575), (19, 7512725), (25, 5709671), (55, 2595305), (85, 1679315), (95, 1502545), (187, 763325), (209, 682975), (275, 519061), (323, 441925), (425, 335863), (475, 300509), (935, 152665), (1045, 136595), (1607, 88825), (1615, 88385), (3553, 40175), (4675, 30533), (5225, 27319), (8035, 17765), (8075, 17677)]