550420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 1305360

約数和(自身を除く): 754940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 73, 116, 130, 145, 146, 260, 290, 292, 365, 377, 580, 730, 754, 949, 1460, 1508, 1885, 1898, 2117, 3770, 3796, 4234, 4745, 7540, 8468, 9490, 10585, 18980, 21170, 27521, 42340, 55042, 110084, 137605, 275210, 550420]

約数ペア:

[(1, 550420), (2, 275210), (4, 137605), (5, 110084), (10, 55042), (13, 42340), (20, 27521), (26, 21170), (29, 18980), (52, 10585), (58, 9490), (65, 8468), (73, 7540), (116, 4745), (130, 4234), (145, 3796), (146, 3770), (260, 2117), (290, 1898), (292, 1885), (365, 1508), (377, 1460), (580, 949), (730, 754)]