2015261780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{105071}}^1$

素因数の和:105224

約数の個数: 48

約数和(自身を含む): 4871978496

約数和(自身を除く): 2856716716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4795, 9590, 19180, 105071, 210142, 420284, 525355, 735497, 1050710, 1470994, 2101420, 2941988, 3677485, 7354970, 14394727, 14709940, 28789454, 57578908, 71973635, 100763089, 143947270, 201526178, 287894540, 403052356, 503815445, 1007630890, 2015261780]

約数ペア:

[(1, 2015261780), (2, 1007630890), (4, 503815445), (5, 403052356), (7, 287894540), (10, 201526178), (14, 143947270), (20, 100763089), (28, 71973635), (35, 57578908), (70, 28789454), (137, 14709940), (140, 14394727), (274, 7354970), (548, 3677485), (685, 2941988), (959, 2101420), (1370, 1470994), (1918, 1050710), (2740, 735497), (3836, 525355), (4795, 420284), (9590, 210142), (19180, 105071)]