2494570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 4999680

約数和(自身を除く): 2505110

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 619, 806, 1238, 2015, 3095, 4030, 6190, 8047, 16094, 19189, 38378, 40235, 80470, 95945, 191890, 249457, 498914, 1247285, 2494570]

約数ペア:

[(1, 2494570), (2, 1247285), (5, 498914), (10, 249457), (13, 191890), (26, 95945), (31, 80470), (62, 40235), (65, 38378), (130, 19189), (155, 16094), (310, 8047), (403, 6190), (619, 4030), (806, 3095), (1238, 2015)]