218630710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:841

約数の個数: 64

約数和(自身を含む): 438721920

約数和(自身を除く): 220091210

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 61, 85, 122, 145, 170, 290, 305, 493, 610, 727, 986, 1037, 1454, 1769, 2074, 2465, 3538, 3635, 4930, 5185, 7270, 8845, 10370, 12359, 17690, 21083, 24718, 30073, 42166, 44347, 60146, 61795, 88694, 105415, 123590, 150365, 210830, 221735, 300730, 358411, 443470, 716822, 753899, 1286063, 1507798, 1792055, 2572126, 3584110, 3769495, 6430315, 7538990, 12860630, 21863071, 43726142, 109315355, 218630710]

約数ペア:

[(1, 218630710), (2, 109315355), (5, 43726142), (10, 21863071), (17, 12860630), (29, 7538990), (34, 6430315), (58, 3769495), (61, 3584110), (85, 2572126), (122, 1792055), (145, 1507798), (170, 1286063), (290, 753899), (305, 716822), (493, 443470), (610, 358411), (727, 300730), (986, 221735), (1037, 210830), (1454, 150365), (1769, 123590), (2074, 105415), (2465, 88694), (3538, 61795), (3635, 60146), (4930, 44347), (5185, 42166), (7270, 30073), (8845, 24718), (10370, 21083), (12359, 17690)]