1650020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 3846528

約数和(自身を除く): 2196508

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 211, 230, 340, 391, 422, 460, 782, 844, 1055, 1564, 1955, 2110, 3587, 3910, 4220, 4853, 7174, 7820, 9706, 14348, 17935, 19412, 24265, 35870, 48530, 71740, 82501, 97060, 165002, 330004, 412505, 825010, 1650020]

約数ペア:

[(1, 1650020), (2, 825010), (4, 412505), (5, 330004), (10, 165002), (17, 97060), (20, 82501), (23, 71740), (34, 48530), (46, 35870), (68, 24265), (85, 19412), (92, 17935), (115, 14348), (170, 9706), (211, 7820), (230, 7174), (340, 4853), (391, 4220), (422, 3910), (460, 3587), (782, 2110), (844, 1955), (1055, 1564)]