290168138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 527648268

約数和(自身を除く): 237480130

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 73, 146, 221, 289, 299, 391, 442, 529, 578, 598, 782, 949, 1058, 1241, 1679, 1898, 2482, 3358, 3757, 5083, 6647, 6877, 7514, 8993, 10166, 13294, 13754, 16133, 17986, 21097, 21827, 28543, 32266, 38617, 42194, 43654, 57086, 77234, 86411, 116909, 152881, 172822, 233818, 274261, 305762, 371059, 485231, 502021, 548522, 656489, 742118, 970462, 1004042, 1312978, 1987453, 3974906, 6308003, 8534357, 11160313, 12616006, 17068714, 22320626, 145084069, 290168138]

約数ペア:

[(1, 290168138), (2, 145084069), (13, 22320626), (17, 17068714), (23, 12616006), (26, 11160313), (34, 8534357), (46, 6308003), (73, 3974906), (146, 1987453), (221, 1312978), (289, 1004042), (299, 970462), (391, 742118), (442, 656489), (529, 548522), (578, 502021), (598, 485231), (782, 371059), (949, 305762), (1058, 274261), (1241, 233818), (1679, 172822), (1898, 152881), (2482, 116909), (3358, 86411), (3757, 77234), (5083, 57086), (6647, 43654), (6877, 42194), (7514, 38617), (8993, 32266), (10166, 28543), (13294, 21827), (13754, 21097), (16133, 17986)]