239269780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 530500320

約数和(自身を除く): 291230540

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 211, 236, 295, 310, 422, 590, 620, 844, 961, 1055, 1180, 1829, 1922, 2110, 3658, 3844, 4220, 4805, 6541, 7316, 9145, 9610, 12449, 13082, 18290, 19220, 24898, 26164, 32705, 36580, 49796, 56699, 62245, 65410, 113398, 124490, 130820, 202771, 226796, 248980, 283495, 385919, 405542, 566990, 771838, 811084, 1013855, 1133980, 1543676, 1929595, 2027710, 3859190, 4055420, 7718380, 11963489, 23926978, 47853956, 59817445, 119634890, 239269780]

約数ペア:

[(1, 239269780), (2, 119634890), (4, 59817445), (5, 47853956), (10, 23926978), (20, 11963489), (31, 7718380), (59, 4055420), (62, 3859190), (118, 2027710), (124, 1929595), (155, 1543676), (211, 1133980), (236, 1013855), (295, 811084), (310, 771838), (422, 566990), (590, 405542), (620, 385919), (844, 283495), (961, 248980), (1055, 226796), (1180, 202771), (1829, 130820), (1922, 124490), (2110, 113398), (3658, 65410), (3844, 62245), (4220, 56699), (4805, 49796), (6541, 36580), (7316, 32705), (9145, 26164), (9610, 24898), (12449, 19220), (13082, 18290)]