163981580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{11597}}^1$

素因数の和:11714

約数の個数: 48

約数和(自身を含む): 397486656

約数和(自身を除く): 233505076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 11597, 14140, 23194, 46388, 57985, 81179, 115970, 162358, 231940, 324716, 405895, 811790, 1171297, 1623580, 2342594, 4685188, 5856485, 8199079, 11712970, 16398158, 23425940, 32796316, 40995395, 81990790, 163981580]

約数ペア:

[(1, 163981580), (2, 81990790), (4, 40995395), (5, 32796316), (7, 23425940), (10, 16398158), (14, 11712970), (20, 8199079), (28, 5856485), (35, 4685188), (70, 2342594), (101, 1623580), (140, 1171297), (202, 811790), (404, 405895), (505, 324716), (707, 231940), (1010, 162358), (1414, 115970), (2020, 81179), (2828, 57985), (3535, 46388), (7070, 23194), (11597, 14140)]