256331390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{44119}}^1$

素因数の和:44216

約数の個数: 32

約数和(自身を含む): 533675520

約数和(自身を除く): 277344130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 5810, 44119, 88238, 220595, 308833, 441190, 617666, 1544165, 3088330, 3661877, 7323754, 18309385, 25633139, 36618770, 51266278, 128165695, 256331390]

約数ペア:

[(1, 256331390), (2, 128165695), (5, 51266278), (7, 36618770), (10, 25633139), (14, 18309385), (35, 7323754), (70, 3661877), (83, 3088330), (166, 1544165), (415, 617666), (581, 441190), (830, 308833), (1162, 220595), (2905, 88238), (5810, 44119)]