85629880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{305821}}^1$

素因数の和:305839

約数の個数: 32

約数和(自身を含む): 220191840

約数和(自身を除く): 134561960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 305821, 611642, 1223284, 1529105, 2140747, 2446568, 3058210, 4281494, 6116420, 8562988, 10703735, 12232840, 17125976, 21407470, 42814940, 85629880]

約数ペア:

[(1, 85629880), (2, 42814940), (4, 21407470), (5, 17125976), (7, 12232840), (8, 10703735), (10, 8562988), (14, 6116420), (20, 4281494), (28, 3058210), (35, 2446568), (40, 2140747), (56, 1529105), (70, 1223284), (140, 611642), (280, 305821)]