190079080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 437400000

約数和(自身を除く): 247320920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 107, 178, 214, 356, 428, 445, 499, 535, 712, 856, 890, 998, 1070, 1780, 1996, 2140, 2495, 3560, 3992, 4280, 4990, 9523, 9980, 19046, 19960, 38092, 44411, 47615, 53393, 76184, 88822, 95230, 106786, 177644, 190460, 213572, 222055, 266965, 355288, 380920, 427144, 444110, 533930, 888220, 1067860, 1776440, 2135720, 4751977, 9503954, 19007908, 23759885, 38015816, 47519770, 95039540, 190079080]

約数ペア:

[(1, 190079080), (2, 95039540), (4, 47519770), (5, 38015816), (8, 23759885), (10, 19007908), (20, 9503954), (40, 4751977), (89, 2135720), (107, 1776440), (178, 1067860), (214, 888220), (356, 533930), (428, 444110), (445, 427144), (499, 380920), (535, 355288), (712, 266965), (856, 222055), (890, 213572), (998, 190460), (1070, 177644), (1780, 106786), (1996, 95230), (2140, 88822), (2495, 76184), (3560, 53393), (3992, 47615), (4280, 44411), (4990, 38092), (9523, 19960), (9980, 19046)]