380626280

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{21193}}^1$

素因数の和:21653

約数の個数: 32

約数和(自身を含む): 858357000

約数和(自身を除く): 477730720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4490, 8980, 17960, 21193, 42386, 84772, 105965, 169544, 211930, 423860, 847720, 9515657, 19031314, 38062628, 47578285, 76125256, 95156570, 190313140, 380626280]

約数ペア:

[(1, 380626280), (2, 190313140), (4, 95156570), (5, 76125256), (8, 47578285), (10, 38062628), (20, 19031314), (40, 9515657), (449, 847720), (898, 423860), (1796, 211930), (2245, 169544), (3592, 105965), (4490, 84772), (8980, 42386), (17960, 21193)]