155537620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1110983}}^1$

素因数の和:1110999

約数の個数: 24

約数和(自身を含む): 373290624

約数和(自身を除く): 217753004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1110983, 2221966, 4443932, 5554915, 7776881, 11109830, 15553762, 22219660, 31107524, 38884405, 77768810, 155537620]

約数ペア:

[(1, 155537620), (2, 77768810), (4, 38884405), (5, 31107524), (7, 22219660), (10, 15553762), (14, 11109830), (20, 7776881), (28, 5554915), (35, 4443932), (70, 2221966), (140, 1110983)]