1038020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 2395008

約数和(自身を除く): 1356988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 71, 85, 86, 142, 170, 172, 215, 284, 340, 355, 430, 710, 731, 860, 1207, 1420, 1462, 2414, 2924, 3053, 3655, 4828, 6035, 6106, 7310, 12070, 12212, 14620, 15265, 24140, 30530, 51901, 61060, 103802, 207604, 259505, 519010, 1038020]

約数ペア:

[(1, 1038020), (2, 519010), (4, 259505), (5, 207604), (10, 103802), (17, 61060), (20, 51901), (34, 30530), (43, 24140), (68, 15265), (71, 14620), (85, 12212), (86, 12070), (142, 7310), (170, 6106), (172, 6035), (215, 4828), (284, 3655), (340, 3053), (355, 2924), (430, 2414), (710, 1462), (731, 1420), (860, 1207)]