1718443550

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{439}}^1\times {\mathrm{991}}^1$

素因数の和:1521

約数の個数: 48

約数和(自身を含む): 3247411200

約数和(自身を除く): 1528967650

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 439, 790, 878, 991, 1975, 1982, 2195, 3950, 4390, 4955, 9910, 10975, 21950, 24775, 34681, 49550, 69362, 78289, 156578, 173405, 346810, 391445, 435049, 782890, 867025, 870098, 1734050, 1957225, 2175245, 3914450, 4350490, 10876225, 21752450, 34368871, 68737742, 171844355, 343688710, 859221775, 1718443550]

約数ペア:

[(1, 1718443550), (2, 859221775), (5, 343688710), (10, 171844355), (25, 68737742), (50, 34368871), (79, 21752450), (158, 10876225), (395, 4350490), (439, 3914450), (790, 2175245), (878, 1957225), (991, 1734050), (1975, 870098), (1982, 867025), (2195, 782890), (3950, 435049), (4390, 391445), (4955, 346810), (9910, 173405), (10975, 156578), (21950, 78289), (24775, 69362), (34681, 49550)]