401663640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{478171}}^1$

素因数の和:478192

約数の個数: 64

約数和(自身を含む): 1377135360

約数和(自身を除く): 975471720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 478171, 956342, 1434513, 1912684, 2390855, 2869026, 3347197, 3825368, 4781710, 5738052, 6694394, 7172565, 9563420, 10041591, 11476104, 13388788, 14345130, 16735985, 19126840, 20083182, 26777576, 28690260, 33471970, 40166364, 50207955, 57380520, 66943940, 80332728, 100415910, 133887880, 200831820, 401663640]

約数ペア:

[(1, 401663640), (2, 200831820), (3, 133887880), (4, 100415910), (5, 80332728), (6, 66943940), (7, 57380520), (8, 50207955), (10, 40166364), (12, 33471970), (14, 28690260), (15, 26777576), (20, 20083182), (21, 19126840), (24, 16735985), (28, 14345130), (30, 13388788), (35, 11476104), (40, 10041591), (42, 9563420), (56, 7172565), (60, 6694394), (70, 5738052), (84, 4781710), (105, 3825368), (120, 3347197), (140, 2869026), (168, 2390855), (210, 1912684), (280, 1434513), (420, 956342), (840, 478171)]