2018376780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4805659}}^1$

素因数の和:4805678

約数の個数: 48

約数和(自身を含む): 6458807040

約数和(自身を除く): 4440430260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4805659, 9611318, 14416977, 19222636, 24028295, 28833954, 33639613, 48056590, 57667908, 67279226, 72084885, 96113180, 100918839, 134558452, 144169770, 168198065, 201837678, 288339540, 336396130, 403675356, 504594195, 672792260, 1009188390, 2018376780]

約数ペア:

[(1, 2018376780), (2, 1009188390), (3, 672792260), (4, 504594195), (5, 403675356), (6, 336396130), (7, 288339540), (10, 201837678), (12, 168198065), (14, 144169770), (15, 134558452), (20, 100918839), (21, 96113180), (28, 72084885), (30, 67279226), (35, 57667908), (42, 48056590), (60, 33639613), (70, 28833954), (84, 24028295), (105, 19222636), (140, 14416977), (210, 9611318), (420, 4805659)]