312239620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{202753}}^1$

素因数の和:202780

約数の個数: 48

約数和(自身を含む): 817504128

約数和(自身を除く): 505264508

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 202753, 405506, 811012, 1013765, 1419271, 2027530, 2230283, 2838542, 4055060, 4460566, 5677084, 7096355, 8921132, 11151415, 14192710, 15611981, 22302830, 28385420, 31223962, 44605660, 62447924, 78059905, 156119810, 312239620]

約数ペア:

[(1, 312239620), (2, 156119810), (4, 78059905), (5, 62447924), (7, 44605660), (10, 31223962), (11, 28385420), (14, 22302830), (20, 15611981), (22, 14192710), (28, 11151415), (35, 8921132), (44, 7096355), (55, 5677084), (70, 4460566), (77, 4055060), (110, 2838542), (140, 2230283), (154, 2027530), (220, 1419271), (308, 1013765), (385, 811012), (770, 405506), (1540, 202753)]