168149020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{3613}}^1$

素因数の和:3814

約数の個数: 48

約数和(自身を含む): 382505760

約数和(自身を除く): 214356740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 716, 895, 1790, 2327, 3580, 3613, 4654, 7226, 9308, 11635, 14452, 18065, 23270, 36130, 46540, 46969, 72260, 93938, 187876, 234845, 469690, 646727, 939380, 1293454, 2586908, 3233635, 6467270, 8407451, 12934540, 16814902, 33629804, 42037255, 84074510, 168149020]

約数ペア:

[(1, 168149020), (2, 84074510), (4, 42037255), (5, 33629804), (10, 16814902), (13, 12934540), (20, 8407451), (26, 6467270), (52, 3233635), (65, 2586908), (130, 1293454), (179, 939380), (260, 646727), (358, 469690), (716, 234845), (895, 187876), (1790, 93938), (2327, 72260), (3580, 46969), (3613, 46540), (4654, 36130), (7226, 23270), (9308, 18065), (11635, 14452)]