85909880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306821}}^1$

素因数の和:306839

約数の個数: 32

約数和(自身を含む): 220911840

約数和(自身を除く): 135001960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306821, 613642, 1227284, 1534105, 2147747, 2454568, 3068210, 4295494, 6136420, 8590988, 10738735, 12272840, 17181976, 21477470, 42954940, 85909880]

約数ペア:

[(1, 85909880), (2, 42954940), (4, 21477470), (5, 17181976), (7, 12272840), (8, 10738735), (10, 8590988), (14, 6136420), (20, 4295494), (28, 3068210), (35, 2454568), (40, 2147747), (56, 1534105), (70, 1227284), (140, 613642), (280, 306821)]