86936920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{310489}}^1$

素因数の和:310507

約数の個数: 32

約数和(自身を含む): 223552800

約数和(自身を除く): 136615880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 310489, 620978, 1241956, 1552445, 2173423, 2483912, 3104890, 4346846, 6209780, 8693692, 10867115, 12419560, 17387384, 21734230, 43468460, 86936920]

約数ペア:

[(1, 86936920), (2, 43468460), (4, 21734230), (5, 17387384), (7, 12419560), (8, 10867115), (10, 8693692), (14, 6209780), (20, 4346846), (28, 3104890), (35, 2483912), (40, 2173423), (56, 1552445), (70, 1241956), (140, 620978), (280, 310489)]