203175020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{719}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 435456000

約数和(自身を除く): 232280980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 199, 284, 355, 398, 710, 719, 796, 995, 1420, 1438, 1990, 2876, 3595, 3980, 7190, 14129, 14380, 28258, 51049, 56516, 70645, 102098, 141290, 143081, 204196, 255245, 282580, 286162, 510490, 572324, 715405, 1020980, 1430810, 2861620, 10158751, 20317502, 40635004, 50793755, 101587510, 203175020]

約数ペア:

[(1, 203175020), (2, 101587510), (4, 50793755), (5, 40635004), (10, 20317502), (20, 10158751), (71, 2861620), (142, 1430810), (199, 1020980), (284, 715405), (355, 572324), (398, 510490), (710, 286162), (719, 282580), (796, 255245), (995, 204196), (1420, 143081), (1438, 141290), (1990, 102098), (2876, 70645), (3595, 56516), (3980, 51049), (7190, 28258), (14129, 14380)]