69447890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 138928608

約数和(自身を除く): 69480718

約数列:

[1, 2, 5, 10, 17, 34, 37, 61, 74, 85, 122, 170, 181, 185, 305, 362, 370, 610, 629, 905, 1037, 1258, 1810, 2074, 2257, 3077, 3145, 4514, 5185, 6154, 6290, 6697, 10370, 11041, 11285, 13394, 15385, 22082, 22570, 30770, 33485, 38369, 55205, 66970, 76738, 110410, 113849, 187697, 191845, 227698, 375394, 383690, 408517, 569245, 817034, 938485, 1138490, 1876970, 2042585, 4085170, 6944789, 13889578, 34723945, 69447890]

約数ペア:

[(1, 69447890), (2, 34723945), (5, 13889578), (10, 6944789), (17, 4085170), (34, 2042585), (37, 1876970), (61, 1138490), (74, 938485), (85, 817034), (122, 569245), (170, 408517), (181, 383690), (185, 375394), (305, 227698), (362, 191845), (370, 187697), (610, 113849), (629, 110410), (905, 76738), (1037, 66970), (1258, 55205), (1810, 38369), (2074, 33485), (2257, 30770), (3077, 22570), (3145, 22082), (4514, 15385), (5185, 13394), (6154, 11285), (6290, 11041), (6697, 10370)]