247452640

素因数分解:

$2^5\times 5^1\times {\mathrm{347}}^1\times {\mathrm{4457}}^1$

素因数の和:4819

約数の個数: 48

約数和(自身を含む): 586423152

約数和(自身を除く): 338970512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 347, 694, 1388, 1735, 2776, 3470, 4457, 5552, 6940, 8914, 11104, 13880, 17828, 22285, 27760, 35656, 44570, 55520, 71312, 89140, 142624, 178280, 356560, 713120, 1546579, 3093158, 6186316, 7732895, 12372632, 15465790, 24745264, 30931580, 49490528, 61863160, 123726320, 247452640]

約数ペア:

[(1, 247452640), (2, 123726320), (4, 61863160), (5, 49490528), (8, 30931580), (10, 24745264), (16, 15465790), (20, 12372632), (32, 7732895), (40, 6186316), (80, 3093158), (160, 1546579), (347, 713120), (694, 356560), (1388, 178280), (1735, 142624), (2776, 89140), (3470, 71312), (4457, 55520), (5552, 44570), (6940, 35656), (8914, 27760), (11104, 22285), (13880, 17828)]