1774558660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{15439}}^1$

素因数の和:16276

約数の個数: 48

約数和(自身を含む): 4264404480

約数和(自身を除く): 2489845820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 821, 1642, 3284, 4105, 5747, 8210, 11494, 15439, 16420, 22988, 28735, 30878, 57470, 61756, 77195, 108073, 114940, 154390, 216146, 308780, 432292, 540365, 1080730, 2161460, 12675419, 25350838, 50701676, 63377095, 88727933, 126754190, 177455866, 253508380, 354911732, 443639665, 887279330, 1774558660]

約数ペア:

[(1, 1774558660), (2, 887279330), (4, 443639665), (5, 354911732), (7, 253508380), (10, 177455866), (14, 126754190), (20, 88727933), (28, 63377095), (35, 50701676), (70, 25350838), (140, 12675419), (821, 2161460), (1642, 1080730), (3284, 540365), (4105, 432292), (5747, 308780), (8210, 216146), (11494, 154390), (15439, 114940), (16420, 108073), (22988, 77195), (28735, 61756), (30878, 57470)]