85536920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{305489}}^1$

素因数の和:305507

約数の個数: 32

約数和(自身を含む): 219952800

約数和(自身を除く): 134415880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 305489, 610978, 1221956, 1527445, 2138423, 2443912, 3054890, 4276846, 6109780, 8553692, 10692115, 12219560, 17107384, 21384230, 42768460, 85536920]

約数ペア:

[(1, 85536920), (2, 42768460), (4, 21384230), (5, 17107384), (7, 12219560), (8, 10692115), (10, 8553692), (14, 6109780), (20, 4276846), (28, 3054890), (35, 2443912), (40, 2138423), (56, 1527445), (70, 1221956), (140, 610978), (280, 305489)]