268918130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{659}}^1$

素因数の和:795

約数の個数: 64

約数和(自身を含む): 541537920

約数和(自身を除く): 272619790

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 73, 86, 130, 146, 215, 365, 430, 559, 659, 730, 949, 1118, 1318, 1898, 2795, 3139, 3295, 4745, 5590, 6278, 6590, 8567, 9490, 15695, 17134, 28337, 31390, 40807, 42835, 48107, 56674, 81614, 85670, 96214, 141685, 204035, 240535, 283370, 368381, 408070, 481070, 625391, 736762, 1250782, 1841905, 2068601, 3126955, 3683810, 4137202, 6253910, 10343005, 20686010, 26891813, 53783626, 134459065, 268918130]

約数ペア:

[(1, 268918130), (2, 134459065), (5, 53783626), (10, 26891813), (13, 20686010), (26, 10343005), (43, 6253910), (65, 4137202), (73, 3683810), (86, 3126955), (130, 2068601), (146, 1841905), (215, 1250782), (365, 736762), (430, 625391), (559, 481070), (659, 408070), (730, 368381), (949, 283370), (1118, 240535), (1318, 204035), (1898, 141685), (2795, 96214), (3139, 85670), (3295, 81614), (4745, 56674), (5590, 48107), (6278, 42835), (6590, 40807), (8567, 31390), (9490, 28337), (15695, 17134)]