201780530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{1723}}^1$

素因数の和:1983

約数の個数: 48

約数和(自身を含む): 424517760

約数和(自身を除く): 222737230

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 239, 245, 478, 490, 1195, 1673, 1723, 2390, 3346, 3446, 8365, 8615, 11711, 12061, 16730, 17230, 23422, 24122, 58555, 60305, 84427, 117110, 120610, 168854, 411797, 422135, 823594, 844270, 2058985, 2882579, 4117970, 5765158, 14412895, 20178053, 28825790, 40356106, 100890265, 201780530]

約数ペア:

[(1, 201780530), (2, 100890265), (5, 40356106), (7, 28825790), (10, 20178053), (14, 14412895), (35, 5765158), (49, 4117970), (70, 2882579), (98, 2058985), (239, 844270), (245, 823594), (478, 422135), (490, 411797), (1195, 168854), (1673, 120610), (1723, 117110), (2390, 84427), (3346, 60305), (3446, 58555), (8365, 24122), (8615, 23422), (11711, 17230), (12061, 16730)]