1398940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{619}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 2968560

約数和(自身を除く): 1569620

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 619, 1130, 1238, 2260, 2476, 3095, 6190, 12380, 69947, 139894, 279788, 349735, 699470, 1398940]

約数ペア:

[(1, 1398940), (2, 699470), (4, 349735), (5, 279788), (10, 139894), (20, 69947), (113, 12380), (226, 6190), (452, 3095), (565, 2476), (619, 2260), (1130, 1238)]