349450120

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{12791}}^1$

素因数の和:13485

約数の個数: 32

約数和(自身を含む): 787475520

約数和(自身を除く): 438025400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 3415, 5464, 6830, 12791, 13660, 25582, 27320, 51164, 63955, 102328, 127910, 255820, 511640, 8736253, 17472506, 34945012, 43681265, 69890024, 87362530, 174725060, 349450120]

約数ペア:

[(1, 349450120), (2, 174725060), (4, 87362530), (5, 69890024), (8, 43681265), (10, 34945012), (20, 17472506), (40, 8736253), (683, 511640), (1366, 255820), (2732, 127910), (3415, 102328), (5464, 63955), (6830, 51164), (12791, 27320), (13660, 25582)]