1261790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 2484000

約数和(自身を除く): 1222210

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 229, 290, 458, 551, 1102, 1145, 2290, 2755, 4351, 5510, 6641, 8702, 13282, 21755, 33205, 43510, 66410, 126179, 252358, 630895, 1261790]

約数ペア:

[(1, 1261790), (2, 630895), (5, 252358), (10, 126179), (19, 66410), (29, 43510), (38, 33205), (58, 21755), (95, 13282), (145, 8702), (190, 6641), (229, 5510), (290, 4351), (458, 2755), (551, 2290), (1102, 1145)]