387891100

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 864788400

約数和(自身を除く): 476897300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 163, 212, 265, 326, 449, 530, 652, 815, 898, 1060, 1325, 1630, 1796, 2245, 2650, 3260, 4075, 4490, 5300, 8150, 8639, 8980, 11225, 16300, 17278, 22450, 23797, 34556, 43195, 44900, 47594, 73187, 86390, 95188, 118985, 146374, 172780, 215975, 237970, 292748, 365935, 431950, 475940, 594925, 731870, 863900, 1189850, 1463740, 1829675, 2379700, 3659350, 3878911, 7318700, 7757822, 15515644, 19394555, 38789110, 77578220, 96972775, 193945550, 387891100]

約数ペア:

[(1, 387891100), (2, 193945550), (4, 96972775), (5, 77578220), (10, 38789110), (20, 19394555), (25, 15515644), (50, 7757822), (53, 7318700), (100, 3878911), (106, 3659350), (163, 2379700), (212, 1829675), (265, 1463740), (326, 1189850), (449, 863900), (530, 731870), (652, 594925), (815, 475940), (898, 431950), (1060, 365935), (1325, 292748), (1630, 237970), (1796, 215975), (2245, 172780), (2650, 146374), (3260, 118985), (4075, 95188), (4490, 86390), (5300, 73187), (8150, 47594), (8639, 44900), (8980, 43195), (11225, 34556), (16300, 23797), (17278, 22450)]