3950020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 8967168

約数和(自身を除く): 5017148

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 277, 310, 460, 554, 620, 713, 1108, 1385, 1426, 2770, 2852, 3565, 5540, 6371, 7130, 8587, 12742, 14260, 17174, 25484, 31855, 34348, 42935, 63710, 85870, 127420, 171740, 197501, 395002, 790004, 987505, 1975010, 3950020]

約数ペア:

[(1, 3950020), (2, 1975010), (4, 987505), (5, 790004), (10, 395002), (20, 197501), (23, 171740), (31, 127420), (46, 85870), (62, 63710), (92, 42935), (115, 34348), (124, 31855), (155, 25484), (230, 17174), (277, 14260), (310, 12742), (460, 8587), (554, 7130), (620, 6371), (713, 5540), (1108, 3565), (1385, 2852), (1426, 2770)]