380150420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{20029}}^1$

素因数の和:20124

約数の個数: 48

約数和(自身を含む): 871545360

約数和(自身を除く): 491394940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 18980, 20029, 40058, 80116, 100145, 200290, 260377, 400580, 520754, 1041508, 1301885, 1462117, 2603770, 2924234, 5207540, 5848468, 7310585, 14621170, 19007521, 29242340, 38015042, 76030084, 95037605, 190075210, 380150420]

約数ペア:

[(1, 380150420), (2, 190075210), (4, 95037605), (5, 76030084), (10, 38015042), (13, 29242340), (20, 19007521), (26, 14621170), (52, 7310585), (65, 5848468), (73, 5207540), (130, 2924234), (146, 2603770), (260, 1462117), (292, 1301885), (365, 1041508), (730, 520754), (949, 400580), (1460, 260377), (1898, 200290), (3796, 100145), (4745, 80116), (9490, 40058), (18980, 20029)]