2251340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 5823552

約数和(自身を除く): 3572212

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1237, 1820, 2474, 4948, 6185, 8659, 12370, 16081, 17318, 24740, 32162, 34636, 43295, 64324, 80405, 86590, 112567, 160810, 173180, 225134, 321620, 450268, 562835, 1125670, 2251340]

約数ペア:

[(1, 2251340), (2, 1125670), (4, 562835), (5, 450268), (7, 321620), (10, 225134), (13, 173180), (14, 160810), (20, 112567), (26, 86590), (28, 80405), (35, 64324), (52, 43295), (65, 34636), (70, 32162), (91, 24740), (130, 17318), (140, 16081), (182, 12370), (260, 8659), (364, 6185), (455, 4948), (910, 2474), (1237, 1820)]