978174730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{887}}^1$

素因数の和:1423

約数の個数: 64

約数和(自身を含む): 2013984000

約数和(自身を除く): 1035809270

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 499, 887, 998, 1105, 1774, 2210, 2495, 4435, 4990, 6487, 8483, 8870, 11531, 12974, 15079, 16966, 23062, 30158, 32435, 42415, 57655, 64870, 75395, 84830, 110279, 115310, 150790, 196027, 220558, 392054, 442613, 551395, 885226, 980135, 1102790, 1960270, 2213065, 4426130, 5753969, 7524421, 11507938, 15048842, 28769845, 37622105, 57539690, 75244210, 97817473, 195634946, 489087365, 978174730]

約数ペア:

[(1, 978174730), (2, 489087365), (5, 195634946), (10, 97817473), (13, 75244210), (17, 57539690), (26, 37622105), (34, 28769845), (65, 15048842), (85, 11507938), (130, 7524421), (170, 5753969), (221, 4426130), (442, 2213065), (499, 1960270), (887, 1102790), (998, 980135), (1105, 885226), (1774, 551395), (2210, 442613), (2495, 392054), (4435, 220558), (4990, 196027), (6487, 150790), (8483, 115310), (8870, 110279), (11531, 84830), (12974, 75395), (15079, 64870), (16966, 57655), (23062, 42415), (30158, 32435)]