200073820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{911}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 429004800

約数和(自身を除く): 228930980

約数列:

[1, 2, 4, 5, 10, 20, 79, 139, 158, 278, 316, 395, 556, 695, 790, 911, 1390, 1580, 1822, 2780, 3644, 4555, 9110, 10981, 18220, 21962, 43924, 54905, 71969, 109810, 126629, 143938, 219620, 253258, 287876, 359845, 506516, 633145, 719690, 1266290, 1439380, 2532580, 10003691, 20007382, 40014764, 50018455, 100036910, 200073820]

約数ペア:

[(1, 200073820), (2, 100036910), (4, 50018455), (5, 40014764), (10, 20007382), (20, 10003691), (79, 2532580), (139, 1439380), (158, 1266290), (278, 719690), (316, 633145), (395, 506516), (556, 359845), (695, 287876), (790, 253258), (911, 219620), (1390, 143938), (1580, 126629), (1822, 109810), (2780, 71969), (3644, 54905), (4555, 43924), (9110, 21962), (10981, 18220)]