537945380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{9127}}^1$

素因数の和:9564

約数の個数: 48

約数和(自身を含む): 1294277376

約数和(自身を除く): 756331996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1684, 2105, 2947, 4210, 5894, 8420, 9127, 11788, 14735, 18254, 29470, 36508, 45635, 58940, 63889, 91270, 127778, 182540, 255556, 319445, 638890, 1277780, 3842467, 7684934, 15369868, 19212335, 26897269, 38424670, 53794538, 76849340, 107589076, 134486345, 268972690, 537945380]

約数ペア:

[(1, 537945380), (2, 268972690), (4, 134486345), (5, 107589076), (7, 76849340), (10, 53794538), (14, 38424670), (20, 26897269), (28, 19212335), (35, 15369868), (70, 7684934), (140, 3842467), (421, 1277780), (842, 638890), (1684, 319445), (2105, 255556), (2947, 182540), (4210, 127778), (5894, 91270), (8420, 63889), (9127, 58940), (11788, 45635), (14735, 36508), (18254, 29470)]