70136920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{250489}}^1$

素因数の和:250507

約数の個数: 32

約数和(自身を含む): 180352800

約数和(自身を除く): 110215880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 250489, 500978, 1001956, 1252445, 1753423, 2003912, 2504890, 3506846, 5009780, 7013692, 8767115, 10019560, 14027384, 17534230, 35068460, 70136920]

約数ペア:

[(1, 70136920), (2, 35068460), (4, 17534230), (5, 14027384), (7, 10019560), (8, 8767115), (10, 7013692), (14, 5009780), (20, 3506846), (28, 2504890), (35, 2003912), (40, 1753423), (56, 1252445), (70, 1001956), (140, 500978), (280, 250489)]