81378710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{8741}}^1$

素因数の和:8781

約数の個数: 48

約数和(自身を含む): 179385840

約数和(自身を除く): 98007130

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 4655, 8741, 9310, 17482, 43705, 61187, 87410, 122374, 166079, 305935, 332158, 428309, 611870, 830395, 856618, 1162553, 1660790, 2141545, 2325106, 4283090, 5812765, 8137871, 11625530, 16275742, 40689355, 81378710]

約数ペア:

[(1, 81378710), (2, 40689355), (5, 16275742), (7, 11625530), (10, 8137871), (14, 5812765), (19, 4283090), (35, 2325106), (38, 2141545), (49, 1660790), (70, 1162553), (95, 856618), (98, 830395), (133, 611870), (190, 428309), (245, 332158), (266, 305935), (490, 166079), (665, 122374), (931, 87410), (1330, 61187), (1862, 43705), (4655, 17482), (8741, 9310)]