212339860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{2161}}^1$

素因数の和:2221

約数の個数: 48

約数和(自身を含む): 473996880

約数和(自身を除く): 261657020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2161, 2890, 4322, 4913, 5780, 8644, 9826, 10805, 19652, 21610, 24565, 36737, 43220, 49130, 73474, 98260, 146948, 183685, 367370, 624529, 734740, 1249058, 2498116, 3122645, 6245290, 10616993, 12490580, 21233986, 42467972, 53084965, 106169930, 212339860]

約数ペア:

[(1, 212339860), (2, 106169930), (4, 53084965), (5, 42467972), (10, 21233986), (17, 12490580), (20, 10616993), (34, 6245290), (68, 3122645), (85, 2498116), (170, 1249058), (289, 734740), (340, 624529), (578, 367370), (1156, 183685), (1445, 146948), (2161, 98260), (2890, 73474), (4322, 49130), (4913, 43220), (5780, 36737), (8644, 24565), (9826, 21610), (10805, 19652)]