165687620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{169069}}^1$

素因数の和:169092

約数の個数: 36

約数和(自身を含む): 404753580

約数和(自身を除く): 239065960

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 169069, 338138, 676276, 845345, 1183483, 1690690, 2366966, 3381380, 4733932, 5917415, 8284381, 11834830, 16568762, 23669660, 33137524, 41421905, 82843810, 165687620]

約数ペア:

[(1, 165687620), (2, 82843810), (4, 41421905), (5, 33137524), (7, 23669660), (10, 16568762), (14, 11834830), (20, 8284381), (28, 5917415), (35, 4733932), (49, 3381380), (70, 2366966), (98, 1690690), (140, 1183483), (196, 845345), (245, 676276), (490, 338138), (980, 169069)]