142758910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 303552000

約数和(自身を除く): 160793090

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 67, 70, 122, 134, 305, 335, 427, 469, 499, 610, 670, 854, 938, 998, 2135, 2345, 2495, 3493, 4087, 4270, 4690, 4990, 6986, 8174, 17465, 20435, 28609, 30439, 33433, 34930, 40870, 57218, 60878, 66866, 143045, 152195, 167165, 213073, 234031, 286090, 304390, 334330, 426146, 468062, 1065365, 1170155, 2039413, 2130730, 2340310, 4078826, 10197065, 14275891, 20394130, 28551782, 71379455, 142758910]

約数ペア:

[(1, 142758910), (2, 71379455), (5, 28551782), (7, 20394130), (10, 14275891), (14, 10197065), (35, 4078826), (61, 2340310), (67, 2130730), (70, 2039413), (122, 1170155), (134, 1065365), (305, 468062), (335, 426146), (427, 334330), (469, 304390), (499, 286090), (610, 234031), (670, 213073), (854, 167165), (938, 152195), (998, 143045), (2135, 66866), (2345, 60878), (2495, 57218), (3493, 40870), (4087, 34930), (4270, 33433), (4690, 30439), (4990, 28609), (6986, 20435), (8174, 17465)]