2018660860

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{726137}}^1$

素因数の和:726285

約数の個数: 24

約数和(自身を含む): 4269691440

約数和(自身を除く): 2251030580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 726137, 1452274, 2904548, 3630685, 7261370, 14522740, 100933043, 201866086, 403732172, 504665215, 1009330430, 2018660860]

約数ペア:

[(1, 2018660860), (2, 1009330430), (4, 504665215), (5, 403732172), (10, 201866086), (20, 100933043), (139, 14522740), (278, 7261370), (556, 3630685), (695, 2904548), (1390, 1452274), (2780, 726137)]