90021356

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 170311680

約数和(自身を除く): 80290324

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 109, 188, 191, 218, 382, 436, 764, 1081, 2162, 2507, 4324, 4393, 5014, 5123, 8786, 8977, 10028, 10246, 17572, 17954, 20492, 20819, 35908, 41638, 83276, 117829, 206471, 235658, 412942, 471316, 478837, 825884, 957674, 978493, 1915348, 1956986, 3913972, 22505339, 45010678, 90021356]

約数ペア:

[(1, 90021356), (2, 45010678), (4, 22505339), (23, 3913972), (46, 1956986), (47, 1915348), (92, 978493), (94, 957674), (109, 825884), (188, 478837), (191, 471316), (218, 412942), (382, 235658), (436, 206471), (764, 117829), (1081, 83276), (2162, 41638), (2507, 35908), (4324, 20819), (4393, 20492), (5014, 17954), (5123, 17572), (8786, 10246), (8977, 10028)]