129718820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:801

約数の個数: 96

約数和(自身を含む): 342752256

約数和(自身を除く): 213033436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 131, 140, 154, 220, 262, 308, 385, 524, 643, 655, 770, 917, 1286, 1310, 1441, 1540, 1834, 2572, 2620, 2882, 3215, 3668, 4501, 4585, 5764, 6430, 7073, 7205, 9002, 9170, 10087, 12860, 14146, 14410, 18004, 18340, 20174, 22505, 28292, 28820, 35365, 40348, 45010, 49511, 50435, 70730, 84233, 90020, 99022, 100870, 141460, 168466, 198044, 201740, 247555, 336932, 421165, 495110, 589631, 842330, 926563, 990220, 1179262, 1684660, 1853126, 2358524, 2948155, 3706252, 4632815, 5896310, 6485941, 9265630, 11792620, 12971882, 18531260, 25943764, 32429705, 64859410, 129718820]

約数ペア:

[(1, 129718820), (2, 64859410), (4, 32429705), (5, 25943764), (7, 18531260), (10, 12971882), (11, 11792620), (14, 9265630), (20, 6485941), (22, 5896310), (28, 4632815), (35, 3706252), (44, 2948155), (55, 2358524), (70, 1853126), (77, 1684660), (110, 1179262), (131, 990220), (140, 926563), (154, 842330), (220, 589631), (262, 495110), (308, 421165), (385, 336932), (524, 247555), (643, 201740), (655, 198044), (770, 168466), (917, 141460), (1286, 100870), (1310, 99022), (1441, 90020), (1540, 84233), (1834, 70730), (2572, 50435), (2620, 49511), (2882, 45010), (3215, 40348), (3668, 35365), (4501, 28820), (4585, 28292), (5764, 22505), (6430, 20174), (7073, 18340), (7205, 18004), (9002, 14410), (9170, 14146), (10087, 12860)]