5190220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 12595968

約数和(自身を除く): 7405748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 283, 524, 566, 655, 917, 1132, 1310, 1415, 1834, 1981, 2620, 2830, 3668, 3962, 4585, 5660, 7924, 9170, 9905, 18340, 19810, 37073, 39620, 74146, 148292, 185365, 259511, 370730, 519022, 741460, 1038044, 1297555, 2595110, 5190220]

約数ペア:

[(1, 5190220), (2, 2595110), (4, 1297555), (5, 1038044), (7, 741460), (10, 519022), (14, 370730), (20, 259511), (28, 185365), (35, 148292), (70, 74146), (131, 39620), (140, 37073), (262, 19810), (283, 18340), (524, 9905), (566, 9170), (655, 7924), (917, 5660), (1132, 4585), (1310, 3962), (1415, 3668), (1834, 2830), (1981, 2620)]