28050340

素因数分解:

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

素因数の和:277

約数の個数: 72

約数和(自身を含む): 65604672

約数和(自身を除く): 37554332

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 211, 230, 289, 340, 391, 422, 460, 578, 782, 844, 1055, 1156, 1445, 1564, 1955, 2110, 2890, 3587, 3910, 4220, 4853, 5780, 6647, 7174, 7820, 9706, 13294, 14348, 17935, 19412, 24265, 26588, 33235, 35870, 48530, 60979, 66470, 71740, 82501, 97060, 121958, 132940, 165002, 243916, 304895, 330004, 412505, 609790, 825010, 1219580, 1402517, 1650020, 2805034, 5610068, 7012585, 14025170, 28050340]

約数ペア:

[(1, 28050340), (2, 14025170), (4, 7012585), (5, 5610068), (10, 2805034), (17, 1650020), (20, 1402517), (23, 1219580), (34, 825010), (46, 609790), (68, 412505), (85, 330004), (92, 304895), (115, 243916), (170, 165002), (211, 132940), (230, 121958), (289, 97060), (340, 82501), (391, 71740), (422, 66470), (460, 60979), (578, 48530), (782, 35870), (844, 33235), (1055, 26588), (1156, 24265), (1445, 19412), (1564, 17935), (1955, 14348), (2110, 13294), (2890, 9706), (3587, 7820), (3910, 7174), (4220, 6647), (4853, 5780)]