1900564490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{12457}}^1$

素因数の和:12567

約数の個数: 64

約数和(自身を含む): 3982573440

約数和(自身を除く): 2082008950

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 73, 95, 110, 146, 190, 209, 365, 418, 730, 803, 1045, 1387, 1606, 2090, 2774, 4015, 6935, 8030, 12457, 13870, 15257, 24914, 30514, 62285, 76285, 124570, 137027, 152570, 236683, 274054, 473366, 685135, 909361, 1183415, 1370270, 1818722, 2366830, 2603513, 4546805, 5207026, 9093610, 10002971, 13017565, 17277859, 20005942, 26035130, 34555718, 50014855, 86389295, 100029710, 172778590, 190056449, 380112898, 950282245, 1900564490]

約数ペア:

[(1, 1900564490), (2, 950282245), (5, 380112898), (10, 190056449), (11, 172778590), (19, 100029710), (22, 86389295), (38, 50014855), (55, 34555718), (73, 26035130), (95, 20005942), (110, 17277859), (146, 13017565), (190, 10002971), (209, 9093610), (365, 5207026), (418, 4546805), (730, 2603513), (803, 2366830), (1045, 1818722), (1387, 1370270), (1606, 1183415), (2090, 909361), (2774, 685135), (4015, 473366), (6935, 274054), (8030, 236683), (12457, 152570), (13870, 137027), (15257, 124570), (24914, 76285), (30514, 62285)]