521250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{139}}^1$

素因数の和:164

約数の個数: 40

約数和(自身を含む): 1312080

約数和(自身を除く): 790830

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 139, 150, 250, 278, 375, 417, 625, 695, 750, 834, 1250, 1390, 1875, 2085, 3475, 3750, 4170, 6950, 10425, 17375, 20850, 34750, 52125, 86875, 104250, 173750, 260625, 521250]

約数ペア:

[(1, 521250), (2, 260625), (3, 173750), (5, 104250), (6, 86875), (10, 52125), (15, 34750), (25, 20850), (30, 17375), (50, 10425), (75, 6950), (125, 4170), (139, 3750), (150, 3475), (250, 2085), (278, 1875), (375, 1390), (417, 1250), (625, 834), (695, 750)]