249343880

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{10169}}^1$

素因数の和:10793

約数の個数: 32

約数和(自身を含む): 561994200

約数和(自身を除く): 312650320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 4904, 6130, 10169, 12260, 20338, 24520, 40676, 50845, 81352, 101690, 203380, 406760, 6233597, 12467194, 24934388, 31167985, 49868776, 62335970, 124671940, 249343880]

約数ペア:

[(1, 249343880), (2, 124671940), (4, 62335970), (5, 49868776), (8, 31167985), (10, 24934388), (20, 12467194), (40, 6233597), (613, 406760), (1226, 203380), (2452, 101690), (3065, 81352), (4904, 50845), (6130, 40676), (10169, 24520), (12260, 20338)]