178305010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{80681}}^1$

素因数の和:80718

約数の個数: 32

約数和(自身を含む): 365973552

約数和(自身を除く): 187668542

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 80681, 161362, 403405, 806810, 1048853, 1371577, 2097706, 2743154, 5244265, 6857885, 10488530, 13715770, 17830501, 35661002, 89152505, 178305010]

約数ペア:

[(1, 178305010), (2, 89152505), (5, 35661002), (10, 17830501), (13, 13715770), (17, 10488530), (26, 6857885), (34, 5244265), (65, 2743154), (85, 2097706), (130, 1371577), (170, 1048853), (221, 806810), (442, 403405), (1105, 161362), (2210, 80681)]