68649490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{829}}^1$

素因数の和:876

約数の個数: 72

約数和(自身を含む): 155839140

約数和(自身を除く): 87189650

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 169, 182, 245, 338, 455, 490, 637, 829, 845, 910, 1183, 1274, 1658, 1690, 2366, 3185, 4145, 5803, 5915, 6370, 8281, 8290, 10777, 11606, 11830, 16562, 21554, 29015, 40621, 41405, 53885, 58030, 75439, 81242, 82810, 107770, 140101, 150878, 203105, 280202, 377195, 406210, 528073, 700505, 754390, 980707, 1056146, 1401010, 1961414, 2640365, 4903535, 5280730, 6864949, 9807070, 13729898, 34324745, 68649490]

約数ペア:

[(1, 68649490), (2, 34324745), (5, 13729898), (7, 9807070), (10, 6864949), (13, 5280730), (14, 4903535), (26, 2640365), (35, 1961414), (49, 1401010), (65, 1056146), (70, 980707), (91, 754390), (98, 700505), (130, 528073), (169, 406210), (182, 377195), (245, 280202), (338, 203105), (455, 150878), (490, 140101), (637, 107770), (829, 82810), (845, 81242), (910, 75439), (1183, 58030), (1274, 53885), (1658, 41405), (1690, 40621), (2366, 29015), (3185, 21554), (4145, 16562), (5803, 11830), (5915, 11606), (6370, 10777), (8281, 8290)]