85385020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{1039}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 205470720

約数和(自身を除く): 120085700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 587, 1039, 1174, 2078, 2348, 2935, 4109, 4156, 5195, 5870, 7273, 8218, 10390, 11740, 14546, 16436, 20545, 20780, 29092, 36365, 41090, 72730, 82180, 145460, 609893, 1219786, 2439572, 3049465, 4269251, 6098930, 8538502, 12197860, 17077004, 21346255, 42692510, 85385020]

約数ペア:

[(1, 85385020), (2, 42692510), (4, 21346255), (5, 17077004), (7, 12197860), (10, 8538502), (14, 6098930), (20, 4269251), (28, 3049465), (35, 2439572), (70, 1219786), (140, 609893), (587, 145460), (1039, 82180), (1174, 72730), (2078, 41090), (2348, 36365), (2935, 29092), (4109, 20780), (4156, 20545), (5195, 16436), (5870, 14546), (7273, 11740), (8218, 10390)]