1213369540

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1\times {\mathrm{811}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 2570077440

約数和(自身を除く): 1356707900

約数列:

[1, 2, 4, 5, 10, 20, 239, 313, 478, 626, 811, 956, 1195, 1252, 1565, 1622, 2390, 3130, 3244, 4055, 4780, 6260, 8110, 16220, 74807, 149614, 193829, 253843, 299228, 374035, 387658, 507686, 748070, 775316, 969145, 1015372, 1269215, 1496140, 1938290, 2538430, 3876580, 5076860, 60668477, 121336954, 242673908, 303342385, 606684770, 1213369540]

約数ペア:

[(1, 1213369540), (2, 606684770), (4, 303342385), (5, 242673908), (10, 121336954), (20, 60668477), (239, 5076860), (313, 3876580), (478, 2538430), (626, 1938290), (811, 1496140), (956, 1269215), (1195, 1015372), (1252, 969145), (1565, 775316), (1622, 748070), (2390, 507686), (3130, 387658), (3244, 374035), (4055, 299228), (4780, 253843), (6260, 193829), (8110, 149614), (16220, 74807)]