74996020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7253}}^1$

素因数の和:7320

約数の個数: 48

約数和(自身を含む): 175488768

約数和(自身を除く): 100492748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 7253, 10340, 14506, 29012, 36265, 72530, 79783, 145060, 159566, 319132, 340891, 398915, 681782, 797830, 1363564, 1595660, 1704455, 3408910, 3749801, 6817820, 7499602, 14999204, 18749005, 37498010, 74996020]

約数ペア:

[(1, 74996020), (2, 37498010), (4, 18749005), (5, 14999204), (10, 7499602), (11, 6817820), (20, 3749801), (22, 3408910), (44, 1704455), (47, 1595660), (55, 1363564), (94, 797830), (110, 681782), (188, 398915), (220, 340891), (235, 319132), (470, 159566), (517, 145060), (940, 79783), (1034, 72530), (2068, 36265), (2585, 29012), (5170, 14506), (7253, 10340)]