71312890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 149040000

約数和(自身を除く): 77727110

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 149, 190, 209, 229, 298, 418, 458, 745, 1045, 1145, 1490, 1639, 2090, 2290, 2519, 2831, 3278, 4351, 5038, 5662, 8195, 8702, 12595, 14155, 16390, 21755, 25190, 28310, 31141, 34121, 43510, 47861, 62282, 68242, 95722, 155705, 170605, 239305, 311410, 341210, 375331, 478610, 648299, 750662, 1296598, 1876655, 3241495, 3753310, 6482990, 7131289, 14262578, 35656445, 71312890]

約数ペア:

[(1, 71312890), (2, 35656445), (5, 14262578), (10, 7131289), (11, 6482990), (19, 3753310), (22, 3241495), (38, 1876655), (55, 1296598), (95, 750662), (110, 648299), (149, 478610), (190, 375331), (209, 341210), (229, 311410), (298, 239305), (418, 170605), (458, 155705), (745, 95722), (1045, 68242), (1145, 62282), (1490, 47861), (1639, 43510), (2090, 34121), (2290, 31141), (2519, 28310), (2831, 25190), (3278, 21755), (4351, 16390), (5038, 14155), (5662, 12595), (8195, 8702)]