201921400

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{21481}}^1$

素因数の和:21544

約数の個数: 48

約数和(自身を含む): 479478240

約数和(自身を除く): 277556840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1880, 2350, 4700, 9400, 21481, 42962, 85924, 107405, 171848, 214810, 429620, 537025, 859240, 1009607, 1074050, 2019214, 2148100, 4038428, 4296200, 5048035, 8076856, 10096070, 20192140, 25240175, 40384280, 50480350, 100960700, 201921400]

約数ペア:

[(1, 201921400), (2, 100960700), (4, 50480350), (5, 40384280), (8, 25240175), (10, 20192140), (20, 10096070), (25, 8076856), (40, 5048035), (47, 4296200), (50, 4038428), (94, 2148100), (100, 2019214), (188, 1074050), (200, 1009607), (235, 859240), (376, 537025), (470, 429620), (940, 214810), (1175, 171848), (1880, 107405), (2350, 85924), (4700, 42962), (9400, 21481)]