31163210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 34155190

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 59, 65, 85, 118, 130, 170, 221, 239, 295, 442, 478, 590, 767, 1003, 1105, 1195, 1534, 2006, 2210, 2390, 3107, 3835, 4063, 5015, 6214, 7670, 8126, 10030, 13039, 14101, 15535, 20315, 26078, 28202, 31070, 40630, 52819, 65195, 70505, 105638, 130390, 141010, 183313, 239717, 264095, 366626, 479434, 528190, 916565, 1198585, 1833130, 2397170, 3116321, 6232642, 15581605, 31163210]

約数ペア:

[(1, 31163210), (2, 15581605), (5, 6232642), (10, 3116321), (13, 2397170), (17, 1833130), (26, 1198585), (34, 916565), (59, 528190), (65, 479434), (85, 366626), (118, 264095), (130, 239717), (170, 183313), (221, 141010), (239, 130390), (295, 105638), (442, 70505), (478, 65195), (590, 52819), (767, 40630), (1003, 31070), (1105, 28202), (1195, 26078), (1534, 20315), (2006, 15535), (2210, 14101), (2390, 13039), (3107, 10030), (3835, 8126), (4063, 7670), (5015, 6214)]