1404620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 3440640

約数和(自身を除く): 2036020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 127, 140, 158, 254, 316, 395, 508, 553, 635, 790, 889, 1106, 1270, 1580, 1778, 2212, 2540, 2765, 3556, 4445, 5530, 8890, 10033, 11060, 17780, 20066, 40132, 50165, 70231, 100330, 140462, 200660, 280924, 351155, 702310, 1404620]

約数ペア:

[(1, 1404620), (2, 702310), (4, 351155), (5, 280924), (7, 200660), (10, 140462), (14, 100330), (20, 70231), (28, 50165), (35, 40132), (70, 20066), (79, 17780), (127, 11060), (140, 10033), (158, 8890), (254, 5530), (316, 4445), (395, 3556), (508, 2765), (553, 2540), (635, 2212), (790, 1778), (889, 1580), (1106, 1270)]