290468898

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 640692000

約数和(自身を除く): 350223102

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 443, 499, 657, 886, 998, 1314, 1329, 1497, 2658, 2994, 3987, 4491, 7974, 8982, 32339, 36427, 64678, 72854, 97017, 109281, 194034, 218562, 221057, 291051, 327843, 442114, 582102, 655686, 663171, 1326342, 1989513, 3979026, 16137161, 32274322, 48411483, 96822966, 145234449, 290468898]

約数ペア:

[(1, 290468898), (2, 145234449), (3, 96822966), (6, 48411483), (9, 32274322), (18, 16137161), (73, 3979026), (146, 1989513), (219, 1326342), (438, 663171), (443, 655686), (499, 582102), (657, 442114), (886, 327843), (998, 291051), (1314, 221057), (1329, 218562), (1497, 194034), (2658, 109281), (2994, 97017), (3987, 72854), (4491, 64678), (7974, 36427), (8982, 32339)]