7864780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5107}}^1$

素因数の和:5134

約数の個数: 48

約数和(自身を含む): 20595456

約数和(自身を除く): 12730676

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5107, 10214, 20428, 25535, 35749, 51070, 56177, 71498, 102140, 112354, 142996, 178745, 224708, 280885, 357490, 393239, 561770, 714980, 786478, 1123540, 1572956, 1966195, 3932390, 7864780]

約数ペア:

[(1, 7864780), (2, 3932390), (4, 1966195), (5, 1572956), (7, 1123540), (10, 786478), (11, 714980), (14, 561770), (20, 393239), (22, 357490), (28, 280885), (35, 224708), (44, 178745), (55, 142996), (70, 112354), (77, 102140), (110, 71498), (140, 56177), (154, 51070), (220, 35749), (308, 25535), (385, 20428), (770, 10214), (1540, 5107)]