199985830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{929}}^1$

素因数の和:1069

約数の個数: 64

約数和(自身を含む): 417830400

約数和(自身を除く): 217844570

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 103, 110, 190, 206, 209, 418, 515, 929, 1030, 1045, 1133, 1858, 1957, 2090, 2266, 3914, 4645, 5665, 9290, 9785, 10219, 11330, 17651, 19570, 20438, 21527, 35302, 43054, 51095, 88255, 95687, 102190, 107635, 176510, 191374, 194161, 215270, 388322, 478435, 956870, 970805, 1052557, 1818053, 1941610, 2105114, 3636106, 5262785, 9090265, 10525570, 18180530, 19998583, 39997166, 99992915, 199985830]

約数ペア:

[(1, 199985830), (2, 99992915), (5, 39997166), (10, 19998583), (11, 18180530), (19, 10525570), (22, 9090265), (38, 5262785), (55, 3636106), (95, 2105114), (103, 1941610), (110, 1818053), (190, 1052557), (206, 970805), (209, 956870), (418, 478435), (515, 388322), (929, 215270), (1030, 194161), (1045, 191374), (1133, 176510), (1858, 107635), (1957, 102190), (2090, 95687), (2266, 88255), (3914, 51095), (4645, 43054), (5665, 35302), (9290, 21527), (9785, 20438), (10219, 19570), (11330, 17651)]