140055272

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{80677}}^1$

素因数の和:80721

約数の個数: 32

約数和(自身を含む): 309803520

約数和(自身を除く): 169748248

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 80677, 161354, 322708, 564739, 645416, 1129478, 2258956, 2500987, 4517912, 5001974, 10003948, 17506909, 20007896, 35013818, 70027636, 140055272]

約数ペア:

[(1, 140055272), (2, 70027636), (4, 35013818), (7, 20007896), (8, 17506909), (14, 10003948), (28, 5001974), (31, 4517912), (56, 2500987), (62, 2258956), (124, 1129478), (217, 645416), (248, 564739), (434, 322708), (868, 161354), (1736, 80677)]