318182980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{11621}}^1$

素因数の和:11704

約数の個数: 36

約数和(自身を含む): 686790468

約数和(自身を除く): 368607488

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1369, 2738, 5476, 6845, 11621, 13690, 23242, 27380, 46484, 58105, 116210, 232420, 429977, 859954, 1719908, 2149885, 4299770, 8599540, 15909149, 31818298, 63636596, 79545745, 159091490, 318182980]

約数ペア:

[(1, 318182980), (2, 159091490), (4, 79545745), (5, 63636596), (10, 31818298), (20, 15909149), (37, 8599540), (74, 4299770), (148, 2149885), (185, 1719908), (370, 859954), (740, 429977), (1369, 232420), (2738, 116210), (5476, 58105), (6845, 46484), (11621, 27380), (13690, 23242)]