88889880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{740749}}^1$

素因数の和:740763

約数の個数: 32

約数和(自身を含む): 266670000

約数和(自身を除く): 177780120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 740749, 1481498, 2222247, 2962996, 3703745, 4444494, 5925992, 7407490, 8888988, 11111235, 14814980, 17777976, 22222470, 29629960, 44444940, 88889880]

約数ペア:

[(1, 88889880), (2, 44444940), (3, 29629960), (4, 22222470), (5, 17777976), (6, 14814980), (8, 11111235), (10, 8888988), (12, 7407490), (15, 5925992), (20, 4444494), (24, 3703745), (30, 2962996), (40, 2222247), (60, 1481498), (120, 740749)]