181118980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{5413}}^1$

素因数の和:5668

約数の個数: 48

約数和(自身を含む): 436584960

約数和(自身を除く): 255465980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 3346, 4780, 5413, 6692, 8365, 10826, 16730, 21652, 27065, 33460, 37891, 54130, 75782, 108260, 151564, 189455, 378910, 757820, 1293707, 2587414, 5174828, 6468535, 9055949, 12937070, 18111898, 25874140, 36223796, 45279745, 90559490, 181118980]

約数ペア:

[(1, 181118980), (2, 90559490), (4, 45279745), (5, 36223796), (7, 25874140), (10, 18111898), (14, 12937070), (20, 9055949), (28, 6468535), (35, 5174828), (70, 2587414), (140, 1293707), (239, 757820), (478, 378910), (956, 189455), (1195, 151564), (1673, 108260), (2390, 75782), (3346, 54130), (4780, 37891), (5413, 33460), (6692, 27065), (8365, 21652), (10826, 16730)]