148256920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{529489}}^1$

素因数の和:529507

約数の個数: 32

約数和(自身を含む): 381232800

約数和(自身を除く): 232975880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 529489, 1058978, 2117956, 2647445, 3706423, 4235912, 5294890, 7412846, 10589780, 14825692, 18532115, 21179560, 29651384, 37064230, 74128460, 148256920]

約数ペア:

[(1, 148256920), (2, 74128460), (4, 37064230), (5, 29651384), (7, 21179560), (8, 18532115), (10, 14825692), (14, 10589780), (20, 7412846), (28, 5294890), (35, 4235912), (40, 3706423), (56, 2647445), (70, 2117956), (140, 1058978), (280, 529489)]