212622490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 415964160

約数和(自身を除く): 203341670

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 67, 134, 145, 155, 290, 310, 335, 353, 670, 706, 899, 1765, 1798, 1943, 2077, 3530, 3886, 4154, 4495, 8990, 9715, 10237, 10385, 10943, 19430, 20474, 20770, 21886, 23651, 47302, 51185, 54715, 60233, 102370, 109430, 118255, 120466, 236510, 301165, 317347, 602330, 634694, 685879, 733181, 1371758, 1466362, 1586735, 3173470, 3429395, 3665905, 6858790, 7331810, 21262249, 42524498, 106311245, 212622490]

約数ペア:

[(1, 212622490), (2, 106311245), (5, 42524498), (10, 21262249), (29, 7331810), (31, 6858790), (58, 3665905), (62, 3429395), (67, 3173470), (134, 1586735), (145, 1466362), (155, 1371758), (290, 733181), (310, 685879), (335, 634694), (353, 602330), (670, 317347), (706, 301165), (899, 236510), (1765, 120466), (1798, 118255), (1943, 109430), (2077, 102370), (3530, 60233), (3886, 54715), (4154, 51185), (4495, 47302), (8990, 23651), (9715, 21886), (10237, 20770), (10385, 20474), (10943, 19430)]