156742780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{412481}}^1$

素因数の和:412509

約数の個数: 24

約数和(自身を含む): 346484880

約数和(自身を除く): 189742100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 412481, 824962, 1649924, 2062405, 4124810, 7837139, 8249620, 15674278, 31348556, 39185695, 78371390, 156742780]

約数ペア:

[(1, 156742780), (2, 78371390), (4, 39185695), (5, 31348556), (10, 15674278), (19, 8249620), (20, 7837139), (38, 4124810), (76, 2062405), (95, 1649924), (190, 824962), (380, 412481)]