3920620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 9144576

約数和(自身を除く): 5223956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 251, 284, 355, 502, 710, 781, 1004, 1255, 1420, 1562, 2510, 2761, 3124, 3905, 5020, 5522, 7810, 11044, 13805, 15620, 17821, 27610, 35642, 55220, 71284, 89105, 178210, 196031, 356420, 392062, 784124, 980155, 1960310, 3920620]

約数ペア:

[(1, 3920620), (2, 1960310), (4, 980155), (5, 784124), (10, 392062), (11, 356420), (20, 196031), (22, 178210), (44, 89105), (55, 71284), (71, 55220), (110, 35642), (142, 27610), (220, 17821), (251, 15620), (284, 13805), (355, 11044), (502, 7810), (710, 5522), (781, 5020), (1004, 3905), (1255, 3124), (1420, 2761), (1562, 2510)]