57432820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{421}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 127612800

約数和(自身を除く): 70179980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 359, 380, 421, 718, 842, 1436, 1684, 1795, 2105, 3590, 4210, 6821, 7180, 7999, 8420, 13642, 15998, 27284, 31996, 34105, 39995, 68210, 79990, 136420, 151139, 159980, 302278, 604556, 755695, 1511390, 2871641, 3022780, 5743282, 11486564, 14358205, 28716410, 57432820]

約数ペア:

[(1, 57432820), (2, 28716410), (4, 14358205), (5, 11486564), (10, 5743282), (19, 3022780), (20, 2871641), (38, 1511390), (76, 755695), (95, 604556), (190, 302278), (359, 159980), (380, 151139), (421, 136420), (718, 79990), (842, 68210), (1436, 39995), (1684, 34105), (1795, 31996), (2105, 27284), (3590, 15998), (4210, 13642), (6821, 8420), (7180, 7999)]