249810320

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{4519}}^1$

素因数の和:5223

約数の個数: 40

約数和(自身を含む): 581778240

約数和(自身を除く): 331967920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 2764, 3455, 4519, 5528, 6910, 9038, 11056, 13820, 18076, 22595, 27640, 36152, 45190, 55280, 72304, 90380, 180760, 361520, 3122629, 6245258, 12490516, 15613145, 24981032, 31226290, 49962064, 62452580, 124905160, 249810320]

約数ペア:

[(1, 249810320), (2, 124905160), (4, 62452580), (5, 49962064), (8, 31226290), (10, 24981032), (16, 15613145), (20, 12490516), (40, 6245258), (80, 3122629), (691, 361520), (1382, 180760), (2764, 90380), (3455, 72304), (4519, 55280), (5528, 45190), (6910, 36152), (9038, 27640), (11056, 22595), (13820, 18076)]