31438030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 33880370

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 269, 290, 310, 377, 403, 538, 754, 806, 899, 1345, 1798, 1885, 2015, 2690, 3497, 3770, 4030, 4495, 6994, 7801, 8339, 8990, 11687, 15602, 16678, 17485, 23374, 34970, 39005, 41695, 58435, 78010, 83390, 101413, 108407, 116870, 202826, 216814, 241831, 483662, 507065, 542035, 1014130, 1084070, 1209155, 2418310, 3143803, 6287606, 15719015, 31438030]

約数ペア:

[(1, 31438030), (2, 15719015), (5, 6287606), (10, 3143803), (13, 2418310), (26, 1209155), (29, 1084070), (31, 1014130), (58, 542035), (62, 507065), (65, 483662), (130, 241831), (145, 216814), (155, 202826), (269, 116870), (290, 108407), (310, 101413), (377, 83390), (403, 78010), (538, 58435), (754, 41695), (806, 39005), (899, 34970), (1345, 23374), (1798, 17485), (1885, 16678), (2015, 15602), (2690, 11687), (3497, 8990), (3770, 8339), (4030, 7801), (4495, 6994)]