1971296490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1\times {\mathrm{617}}^1$

素因数の和:1287

約数の個数: 64

約数和(自身を含む): 4768191360

約数和(自身を除く): 2796894870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 281, 379, 562, 617, 758, 843, 1137, 1234, 1405, 1686, 1851, 1895, 2274, 2810, 3085, 3702, 3790, 4215, 5685, 6170, 8430, 9255, 11370, 18510, 106499, 173377, 212998, 233843, 319497, 346754, 467686, 520131, 532495, 638994, 701529, 866885, 1040262, 1064990, 1169215, 1403058, 1597485, 1733770, 2338430, 2600655, 3194970, 3507645, 5201310, 7015290, 65709883, 131419766, 197129649, 328549415, 394259298, 657098830, 985648245, 1971296490]

約数ペア:

[(1, 1971296490), (2, 985648245), (3, 657098830), (5, 394259298), (6, 328549415), (10, 197129649), (15, 131419766), (30, 65709883), (281, 7015290), (379, 5201310), (562, 3507645), (617, 3194970), (758, 2600655), (843, 2338430), (1137, 1733770), (1234, 1597485), (1405, 1403058), (1686, 1169215), (1851, 1064990), (1895, 1040262), (2274, 866885), (2810, 701529), (3085, 638994), (3702, 532495), (3790, 520131), (4215, 467686), (5685, 346754), (6170, 319497), (8430, 233843), (9255, 212998), (11370, 173377), (18510, 106499)]