156931568660

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1907}}^1\times {\mathrm{4127}}^1$

素因数の和:7040

約数の個数: 48

約数和(自身を含む): 330139805184

約数和(自身を除く): 173208236524

約数列:

[1, 2, 4, 5, 10, 20, 997, 1907, 1994, 3814, 3988, 4127, 4985, 7628, 8254, 9535, 9970, 16508, 19070, 19940, 20635, 38140, 41270, 82540, 1901279, 3802558, 4114619, 7605116, 7870189, 8229238, 9506395, 15740378, 16458476, 19012790, 20573095, 31480756, 38025580, 39350945, 41146190, 78701890, 82292380, 157403780, 7846578433, 15693156866, 31386313732, 39232892165, 78465784330, 156931568660]

約数ペア:

[(1, 156931568660), (2, 78465784330), (4, 39232892165), (5, 31386313732), (10, 15693156866), (20, 7846578433), (997, 157403780), (1907, 82292380), (1994, 78701890), (3814, 41146190), (3988, 39350945), (4127, 38025580), (4985, 31480756), (7628, 20573095), (8254, 19012790), (9535, 16458476), (9970, 15740378), (16508, 9506395), (19070, 8229238), (19940, 7870189), (20635, 7605116), (38140, 4114619), (41270, 3802558), (82540, 1901279)]