254041620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{604861}}^1$

素因数の和:604880

約数の個数: 48

約数和(自身を含む): 812934528

約数和(自身を除く): 558892908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 604861, 1209722, 1814583, 2419444, 3024305, 3629166, 4234027, 6048610, 7258332, 8468054, 9072915, 12097220, 12702081, 16936108, 18145830, 21170135, 25404162, 36291660, 42340270, 50808324, 63510405, 84680540, 127020810, 254041620]

約数ペア:

[(1, 254041620), (2, 127020810), (3, 84680540), (4, 63510405), (5, 50808324), (6, 42340270), (7, 36291660), (10, 25404162), (12, 21170135), (14, 18145830), (15, 16936108), (20, 12702081), (21, 12097220), (28, 9072915), (30, 8468054), (35, 7258332), (42, 6048610), (60, 4234027), (70, 3629166), (84, 3024305), (105, 2419444), (140, 1814583), (210, 1209722), (420, 604861)]