249936880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3251}}^1$

素因数の和:3326

約数の個数: 60

約数和(自身を含む): 600637896

約数和(自身を除く): 350701016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 3251, 3844, 4805, 6502, 7688, 9610, 13004, 15376, 16255, 19220, 26008, 32510, 38440, 52016, 65020, 76880, 100781, 130040, 201562, 260080, 403124, 503905, 806248, 1007810, 1612496, 2015620, 3124211, 4031240, 6248422, 8062480, 12496844, 15621055, 24993688, 31242110, 49987376, 62484220, 124968440, 249936880]

約数ペア:

[(1, 249936880), (2, 124968440), (4, 62484220), (5, 49987376), (8, 31242110), (10, 24993688), (16, 15621055), (20, 12496844), (31, 8062480), (40, 6248422), (62, 4031240), (80, 3124211), (124, 2015620), (155, 1612496), (248, 1007810), (310, 806248), (496, 503905), (620, 403124), (961, 260080), (1240, 201562), (1922, 130040), (2480, 100781), (3251, 76880), (3844, 65020), (4805, 52016), (6502, 38440), (7688, 32510), (9610, 26008), (13004, 19220), (15376, 16255)]