2138675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 36

約数和(自身を含む): 3364368

約数和(自身を除く): 1225693

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 101, 121, 175, 275, 385, 505, 605, 707, 847, 1111, 1925, 2525, 3025, 3535, 4235, 5555, 7777, 12221, 17675, 21175, 27775, 38885, 61105, 85547, 194425, 305525, 427735, 2138675]

約数ペア:

[(1, 2138675), (5, 427735), (7, 305525), (11, 194425), (25, 85547), (35, 61105), (55, 38885), (77, 27775), (101, 21175), (121, 17675), (175, 12221), (275, 7777), (385, 5555), (505, 4235), (605, 3535), (707, 3025), (847, 2525), (1111, 1925)]