198267020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{1277}}^1$

素因数の和:2402

約数の個数: 48

約数和(自身を含む): 476642880

約数和(自身を除く): 278375860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1109, 1277, 2218, 2554, 4436, 5108, 5545, 6385, 7763, 8939, 11090, 12770, 15526, 17878, 22180, 25540, 31052, 35756, 38815, 44695, 77630, 89390, 155260, 178780, 1416193, 2832386, 5664772, 7080965, 9913351, 14161930, 19826702, 28323860, 39653404, 49566755, 99133510, 198267020]

約数ペア:

[(1, 198267020), (2, 99133510), (4, 49566755), (5, 39653404), (7, 28323860), (10, 19826702), (14, 14161930), (20, 9913351), (28, 7080965), (35, 5664772), (70, 2832386), (140, 1416193), (1109, 178780), (1277, 155260), (2218, 89390), (2554, 77630), (4436, 44695), (5108, 38815), (5545, 35756), (6385, 31052), (7763, 25540), (8939, 22180), (11090, 17878), (12770, 15526)]