278360920

素因数分解:

$2^3\times 5^1\times {\mathrm{2269}}^1\times {\mathrm{3067}}^1$

素因数の和:5347

約数の個数: 32

約数和(自身を含む): 626792400

約数和(自身を除く): 348431480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2269, 3067, 4538, 6134, 9076, 11345, 12268, 15335, 18152, 22690, 24536, 30670, 45380, 61340, 90760, 122680, 6959023, 13918046, 27836092, 34795115, 55672184, 69590230, 139180460, 278360920]

約数ペア:

[(1, 278360920), (2, 139180460), (4, 69590230), (5, 55672184), (8, 34795115), (10, 27836092), (20, 13918046), (40, 6959023), (2269, 122680), (3067, 90760), (4538, 61340), (6134, 45380), (9076, 30670), (11345, 24536), (12268, 22690), (15335, 18152)]