1811249090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{4663}}^1$

素因数の和:4887

約数の個数: 64

約数和(自身を含む): 3868508160

約数和(自身を除く): 2057259070

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 179, 217, 310, 358, 434, 895, 1085, 1253, 1790, 2170, 2506, 4663, 5549, 6265, 9326, 11098, 12530, 23315, 27745, 32641, 38843, 46630, 55490, 65282, 77686, 144553, 163205, 194215, 289106, 326410, 388430, 722765, 834677, 1011871, 1445530, 1669354, 2023742, 4173385, 5059355, 5842739, 8346770, 10118710, 11685478, 25874987, 29213695, 51749974, 58427390, 129374935, 181124909, 258749870, 362249818, 905624545, 1811249090]

約数ペア:

[(1, 1811249090), (2, 905624545), (5, 362249818), (7, 258749870), (10, 181124909), (14, 129374935), (31, 58427390), (35, 51749974), (62, 29213695), (70, 25874987), (155, 11685478), (179, 10118710), (217, 8346770), (310, 5842739), (358, 5059355), (434, 4173385), (895, 2023742), (1085, 1669354), (1253, 1445530), (1790, 1011871), (2170, 834677), (2506, 722765), (4663, 388430), (5549, 326410), (6265, 289106), (9326, 194215), (11098, 163205), (12530, 144553), (23315, 77686), (27745, 65282), (32641, 55490), (38843, 46630)]