1987220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1483}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 4238304

約数和(自身を除く): 2251084

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 1483, 2966, 5932, 7415, 14830, 29660, 99361, 198722, 397444, 496805, 993610, 1987220]

約数ペア:

[(1, 1987220), (2, 993610), (4, 496805), (5, 397444), (10, 198722), (20, 99361), (67, 29660), (134, 14830), (268, 7415), (335, 5932), (670, 2966), (1340, 1483)]