457182020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{31271}}^1$

素因数の和:31340

約数の個数: 48

約数和(自身を含む): 1040231808

約数和(自身を除く): 583049788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 31271, 62542, 125084, 156355, 312710, 531607, 625420, 1063214, 1344653, 2126428, 2658035, 2689306, 5316070, 5378612, 6723265, 10632140, 13446530, 22859101, 26893060, 45718202, 91436404, 114295505, 228591010, 457182020]

約数ペア:

[(1, 457182020), (2, 228591010), (4, 114295505), (5, 91436404), (10, 45718202), (17, 26893060), (20, 22859101), (34, 13446530), (43, 10632140), (68, 6723265), (85, 5378612), (86, 5316070), (170, 2689306), (172, 2658035), (215, 2126428), (340, 1344653), (430, 1063214), (731, 625420), (860, 531607), (1462, 312710), (2924, 156355), (3655, 125084), (7310, 62542), (14620, 31271)]