1390260145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 1751220000

約数和(自身を除く): 360959855

約数列:

[1, 5, 29, 145, 149, 229, 281, 745, 1145, 1405, 4321, 6641, 8149, 21605, 33205, 34121, 40745, 41869, 64349, 170605, 209345, 321745, 989509, 1214201, 1866121, 4947545, 6071005, 9330605, 9588001, 47940005, 278052029, 1390260145]

約数ペア:

[(1, 1390260145), (5, 278052029), (29, 47940005), (145, 9588001), (149, 9330605), (229, 6071005), (281, 4947545), (745, 1866121), (1145, 1214201), (1405, 989509), (4321, 321745), (6641, 209345), (8149, 170605), (21605, 64349), (33205, 41869), (34121, 40745)]