85856260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1249}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 206640000

約数和(自身を除く): 120783740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1249, 1964, 2455, 2498, 3437, 4910, 4996, 6245, 6874, 8743, 9820, 12490, 13748, 17185, 17486, 24980, 34370, 34972, 43715, 68740, 87430, 174860, 613259, 1226518, 2453036, 3066295, 4292813, 6132590, 8585626, 12265180, 17171252, 21464065, 42928130, 85856260]

約数ペア:

[(1, 85856260), (2, 42928130), (4, 21464065), (5, 17171252), (7, 12265180), (10, 8585626), (14, 6132590), (20, 4292813), (28, 3066295), (35, 2453036), (70, 1226518), (140, 613259), (491, 174860), (982, 87430), (1249, 68740), (1964, 43715), (2455, 34972), (2498, 34370), (3437, 24980), (4910, 17486), (4996, 17185), (6245, 13748), (6874, 12490), (8743, 9820)]