2643620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 6628608

約数和(自身を除く): 3984988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 821, 1610, 1642, 3220, 3284, 4105, 5747, 8210, 11494, 16420, 18883, 22988, 28735, 37766, 57470, 75532, 94415, 114940, 132181, 188830, 264362, 377660, 528724, 660905, 1321810, 2643620]

約数ペア:

[(1, 2643620), (2, 1321810), (4, 660905), (5, 528724), (7, 377660), (10, 264362), (14, 188830), (20, 132181), (23, 114940), (28, 94415), (35, 75532), (46, 57470), (70, 37766), (92, 28735), (115, 22988), (140, 18883), (161, 16420), (230, 11494), (322, 8210), (460, 5747), (644, 4105), (805, 3284), (821, 3220), (1610, 1642)]