70176920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 173124000

約数和(自身を除く): 102947080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 349, 440, 457, 698, 914, 1396, 1745, 1828, 2285, 2792, 3490, 3656, 3839, 4570, 5027, 6980, 7678, 9140, 10054, 13960, 15356, 18280, 19195, 20108, 25135, 30712, 38390, 40216, 50270, 76780, 100540, 153560, 159493, 201080, 318986, 637972, 797465, 1275944, 1594930, 1754423, 3189860, 3508846, 6379720, 7017692, 8772115, 14035384, 17544230, 35088460, 70176920]

約数ペア:

[(1, 70176920), (2, 35088460), (4, 17544230), (5, 14035384), (8, 8772115), (10, 7017692), (11, 6379720), (20, 3508846), (22, 3189860), (40, 1754423), (44, 1594930), (55, 1275944), (88, 797465), (110, 637972), (220, 318986), (349, 201080), (440, 159493), (457, 153560), (698, 100540), (914, 76780), (1396, 50270), (1745, 40216), (1828, 38390), (2285, 30712), (2792, 25135), (3490, 20108), (3656, 19195), (3839, 18280), (4570, 15356), (5027, 13960), (6980, 10054), (7678, 9140)]