2183860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 5523840

約数和(自身を除く): 3339980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 821, 1330, 1642, 2660, 3284, 4105, 5747, 8210, 11494, 15599, 16420, 22988, 28735, 31198, 57470, 62396, 77995, 109193, 114940, 155990, 218386, 311980, 436772, 545965, 1091930, 2183860]

約数ペア:

[(1, 2183860), (2, 1091930), (4, 545965), (5, 436772), (7, 311980), (10, 218386), (14, 155990), (19, 114940), (20, 109193), (28, 77995), (35, 62396), (38, 57470), (70, 31198), (76, 28735), (95, 22988), (133, 16420), (140, 15599), (190, 11494), (266, 8210), (380, 5747), (532, 4105), (665, 3284), (821, 2660), (1330, 1642)]