218486510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{977}}^1$

素因数の和:1121

約数の個数: 64

約数和(自身を含む): 456295680

約数和(自身を除く): 237809170

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 107, 110, 190, 209, 214, 418, 535, 977, 1045, 1070, 1177, 1954, 2033, 2090, 2354, 4066, 4885, 5885, 9770, 10165, 10747, 11770, 18563, 20330, 21494, 22363, 37126, 44726, 53735, 92815, 104539, 107470, 111815, 185630, 204193, 209078, 223630, 408386, 522695, 1020965, 1045390, 1149929, 1986241, 2041930, 2299858, 3972482, 5749645, 9931205, 11499290, 19862410, 21848651, 43697302, 109243255, 218486510]

約数ペア:

[(1, 218486510), (2, 109243255), (5, 43697302), (10, 21848651), (11, 19862410), (19, 11499290), (22, 9931205), (38, 5749645), (55, 3972482), (95, 2299858), (107, 2041930), (110, 1986241), (190, 1149929), (209, 1045390), (214, 1020965), (418, 522695), (535, 408386), (977, 223630), (1045, 209078), (1070, 204193), (1177, 185630), (1954, 111815), (2033, 107470), (2090, 104539), (2354, 92815), (4066, 53735), (4885, 44726), (5885, 37126), (9770, 22363), (10165, 21494), (10747, 20330), (11770, 18563)]