721000770020

素因数分解:

$2^2\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{3191}}^1\times {\mathrm{9283}}^1$

素因数の和:13700

約数の個数: 48

約数和(自身を含む): 1515983914368

約数和(自身を除く): 794983144348

約数列:

[1, 2, 4, 5, 10, 20, 1217, 2434, 3191, 4868, 6085, 6382, 9283, 12170, 12764, 15955, 18566, 24340, 31910, 37132, 46415, 63820, 92830, 185660, 3883447, 7766894, 11297411, 15533788, 19417235, 22594822, 29622053, 38834470, 45189644, 56487055, 59244106, 77668940, 112974110, 118488212, 148110265, 225948220, 296220530, 592441060, 36050038501, 72100077002, 144200154004, 180250192505, 360500385010, 721000770020]

約数ペア:

[(1, 721000770020), (2, 360500385010), (4, 180250192505), (5, 144200154004), (10, 72100077002), (20, 36050038501), (1217, 592441060), (2434, 296220530), (3191, 225948220), (4868, 148110265), (6085, 118488212), (6382, 112974110), (9283, 77668940), (12170, 59244106), (12764, 56487055), (15955, 45189644), (18566, 38834470), (24340, 29622053), (31910, 22594822), (37132, 19417235), (46415, 15533788), (63820, 11297411), (92830, 7766894), (185660, 3883447)]