1256551730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{618991}}^1$

素因数の和:619034

約数の個数: 32

約数和(自身を含む): 2674045440

約数和(自身を除く): 1417493710

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 618991, 1237982, 3094955, 4332937, 6189910, 8665874, 17950739, 21664685, 35901478, 43329370, 89753695, 125655173, 179507390, 251310346, 628275865, 1256551730]

約数ペア:

[(1, 1256551730), (2, 628275865), (5, 251310346), (7, 179507390), (10, 125655173), (14, 89753695), (29, 43329370), (35, 35901478), (58, 21664685), (70, 17950739), (145, 8665874), (203, 6189910), (290, 4332937), (406, 3094955), (1015, 1237982), (2030, 618991)]