1980980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2677}}^1$

素因数の和:2723

約数の個数: 24

約数和(自身を含む): 4274088

約数和(自身を除く): 2293108

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 2677, 5354, 10708, 13385, 26770, 53540, 99049, 198098, 396196, 495245, 990490, 1980980]

約数ペア:

[(1, 1980980), (2, 990490), (4, 495245), (5, 396196), (10, 198098), (20, 99049), (37, 53540), (74, 26770), (148, 13385), (185, 10708), (370, 5354), (740, 2677)]