447320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 1030320

約数和(自身を除く): 583000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 211, 212, 265, 422, 424, 530, 844, 1055, 1060, 1688, 2110, 2120, 4220, 8440, 11183, 22366, 44732, 55915, 89464, 111830, 223660, 447320]

約数ペア:

[(1, 447320), (2, 223660), (4, 111830), (5, 89464), (8, 55915), (10, 44732), (20, 22366), (40, 11183), (53, 8440), (106, 4220), (211, 2120), (212, 2110), (265, 1688), (422, 1060), (424, 1055), (530, 844)]