91316820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{217421}}^1$

素因数の和:217440

約数の個数: 48

約数和(自身を含む): 292215168

約数和(自身を除く): 200898348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 217421, 434842, 652263, 869684, 1087105, 1304526, 1521947, 2174210, 2609052, 3043894, 3261315, 4348420, 4565841, 6087788, 6522630, 7609735, 9131682, 13045260, 15219470, 18263364, 22829205, 30438940, 45658410, 91316820]

約数ペア:

[(1, 91316820), (2, 45658410), (3, 30438940), (4, 22829205), (5, 18263364), (6, 15219470), (7, 13045260), (10, 9131682), (12, 7609735), (14, 6522630), (15, 6087788), (20, 4565841), (21, 4348420), (28, 3261315), (30, 3043894), (35, 2609052), (42, 2174210), (60, 1521947), (70, 1304526), (84, 1087105), (105, 869684), (140, 652263), (210, 434842), (420, 217421)]