201868540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31249}}^1$

素因数の和:31294

約数の個数: 48

約数和(自身を含む): 472500000

約数和(自身を除く): 270631460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 31249, 62498, 124996, 156245, 312490, 531233, 593731, 624980, 1062466, 1187462, 2124932, 2374924, 2656165, 2968655, 5312330, 5937310, 10093427, 10624660, 11874620, 20186854, 40373708, 50467135, 100934270, 201868540]

約数ペア:

[(1, 201868540), (2, 100934270), (4, 50467135), (5, 40373708), (10, 20186854), (17, 11874620), (19, 10624660), (20, 10093427), (34, 5937310), (38, 5312330), (68, 2968655), (76, 2656165), (85, 2374924), (95, 2124932), (170, 1187462), (190, 1062466), (323, 624980), (340, 593731), (380, 531233), (646, 312490), (1292, 156245), (1615, 124996), (3230, 62498), (6460, 31249)]