51227260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1531}}^1$

素因数の和:1786

約数の個数: 48

約数和(自身を含む): 123540480

約数和(自身を除く): 72313220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1531, 1673, 2390, 3062, 3346, 4780, 6124, 6692, 7655, 8365, 10717, 15310, 16730, 21434, 30620, 33460, 42868, 53585, 107170, 214340, 365909, 731818, 1463636, 1829545, 2561363, 3659090, 5122726, 7318180, 10245452, 12806815, 25613630, 51227260]

約数ペア:

[(1, 51227260), (2, 25613630), (4, 12806815), (5, 10245452), (7, 7318180), (10, 5122726), (14, 3659090), (20, 2561363), (28, 1829545), (35, 1463636), (70, 731818), (140, 365909), (239, 214340), (478, 107170), (956, 53585), (1195, 42868), (1531, 33460), (1673, 30620), (2390, 21434), (3062, 16730), (3346, 15310), (4780, 10717), (6124, 8365), (6692, 7655)]