82717580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1301}}^1$

素因数の和:1355

約数の個数: 72

約数和(自身を含む): 201455856

約数和(自身を除く): 118738276

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 289, 340, 374, 578, 748, 935, 1156, 1301, 1445, 1870, 2602, 2890, 3179, 3740, 5204, 5780, 6358, 6505, 12716, 13010, 14311, 15895, 22117, 26020, 28622, 31790, 44234, 57244, 63580, 71555, 88468, 110585, 143110, 221170, 243287, 286220, 375989, 442340, 486574, 751978, 973148, 1216435, 1503956, 1879945, 2432870, 3759890, 4135879, 4865740, 7519780, 8271758, 16543516, 20679395, 41358790, 82717580]

約数ペア:

[(1, 82717580), (2, 41358790), (4, 20679395), (5, 16543516), (10, 8271758), (11, 7519780), (17, 4865740), (20, 4135879), (22, 3759890), (34, 2432870), (44, 1879945), (55, 1503956), (68, 1216435), (85, 973148), (110, 751978), (170, 486574), (187, 442340), (220, 375989), (289, 286220), (340, 243287), (374, 221170), (578, 143110), (748, 110585), (935, 88468), (1156, 71555), (1301, 63580), (1445, 57244), (1870, 44234), (2602, 31790), (2890, 28622), (3179, 26020), (3740, 22117), (5204, 15895), (5780, 14311), (6358, 13010), (6505, 12716)]