145710040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{520393}}^1$

素因数の和:520411

約数の個数: 32

約数和(自身を含む): 374683680

約数和(自身を除く): 228973640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 520393, 1040786, 2081572, 2601965, 3642751, 4163144, 5203930, 7285502, 10407860, 14571004, 18213755, 20815720, 29142008, 36427510, 72855020, 145710040]

約数ペア:

[(1, 145710040), (2, 72855020), (4, 36427510), (5, 29142008), (7, 20815720), (8, 18213755), (10, 14571004), (14, 10407860), (20, 7285502), (28, 5203930), (35, 4163144), (40, 3642751), (56, 2601965), (70, 2081572), (140, 1040786), (280, 520393)]