220640590

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{1973}}^1$

素因数の和:2244

約数の個数: 32

約数和(自身を含む): 406770336

約数和(自身を除く): 186129746

約数列:

[1, 2, 5, 10, 53, 106, 211, 265, 422, 530, 1055, 1973, 2110, 3946, 9865, 11183, 19730, 22366, 55915, 104569, 111830, 209138, 416303, 522845, 832606, 1045690, 2081515, 4163030, 22064059, 44128118, 110320295, 220640590]

約数ペア:

[(1, 220640590), (2, 110320295), (5, 44128118), (10, 22064059), (53, 4163030), (106, 2081515), (211, 1045690), (265, 832606), (422, 522845), (530, 416303), (1055, 209138), (1973, 111830), (2110, 104569), (3946, 55915), (9865, 22366), (11183, 19730)]