262520380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{881}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 565439616

約数和(自身を除く): 302919236

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 317, 470, 634, 881, 940, 1268, 1585, 1762, 3170, 3524, 4405, 6340, 8810, 14899, 17620, 29798, 41407, 59596, 74495, 82814, 148990, 165628, 207035, 279277, 297980, 414070, 558554, 828140, 1117108, 1396385, 2792770, 5585540, 13126019, 26252038, 52504076, 65630095, 131260190, 262520380]

約数ペア:

[(1, 262520380), (2, 131260190), (4, 65630095), (5, 52504076), (10, 26252038), (20, 13126019), (47, 5585540), (94, 2792770), (188, 1396385), (235, 1117108), (317, 828140), (470, 558554), (634, 414070), (881, 297980), (940, 279277), (1268, 207035), (1585, 165628), (1762, 148990), (3170, 82814), (3524, 74495), (4405, 59596), (6340, 41407), (8810, 29798), (14899, 17620)]