201561220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{6287}}^1$

素因数の和:6532

約数の個数: 48

約数和(自身を含む): 485936640

約数和(自身を除く): 284375420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 2290, 3206, 4580, 6287, 6412, 8015, 12574, 16030, 25148, 31435, 32060, 44009, 62870, 88018, 125740, 176036, 220045, 440090, 880180, 1439723, 2879446, 5758892, 7198615, 10078061, 14397230, 20156122, 28794460, 40312244, 50390305, 100780610, 201561220]

約数ペア:

[(1, 201561220), (2, 100780610), (4, 50390305), (5, 40312244), (7, 28794460), (10, 20156122), (14, 14397230), (20, 10078061), (28, 7198615), (35, 5758892), (70, 2879446), (140, 1439723), (229, 880180), (458, 440090), (916, 220045), (1145, 176036), (1603, 125740), (2290, 88018), (3206, 62870), (4580, 44009), (6287, 32060), (6412, 31435), (8015, 25148), (12574, 16030)]