199193225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 324562560

約数和(自身を除く): 125369335

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 121, 161, 175, 253, 275, 385, 409, 575, 605, 805, 847, 1265, 1771, 1925, 2045, 2783, 2863, 3025, 4025, 4235, 4499, 6325, 8855, 9407, 10225, 13915, 14315, 19481, 21175, 22495, 31493, 44275, 47035, 49489, 65849, 69575, 71575, 97405, 103477, 112475, 157465, 235175, 247445, 329245, 346423, 487025, 517385, 724339, 787325, 1138247, 1237225, 1646225, 1732115, 2586925, 3621695, 5691235, 7967729, 8660575, 18108475, 28456175, 39838645, 199193225]

約数ペア:

[(1, 199193225), (5, 39838645), (7, 28456175), (11, 18108475), (23, 8660575), (25, 7967729), (35, 5691235), (55, 3621695), (77, 2586925), (115, 1732115), (121, 1646225), (161, 1237225), (175, 1138247), (253, 787325), (275, 724339), (385, 517385), (409, 487025), (575, 346423), (605, 329245), (805, 247445), (847, 235175), (1265, 157465), (1771, 112475), (1925, 103477), (2045, 97405), (2783, 71575), (2863, 69575), (3025, 65849), (4025, 49489), (4235, 47035), (4499, 44275), (6325, 31493), (8855, 22495), (9407, 21175), (10225, 19481), (13915, 14315)]