71349707540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{498461}}^1$

素因数の和:498908

約数の個数: 48

約数和(自身を含む): 159025328784

約数和(自身を除く): 87675621244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 421, 842, 1684, 2105, 4210, 7157, 8420, 14314, 28628, 35785, 71570, 143140, 498461, 996922, 1993844, 2492305, 4984610, 8473837, 9969220, 16947674, 33895348, 42369185, 84738370, 169476740, 209852081, 419704162, 839408324, 1049260405, 2098520810, 3567485377, 4197041620, 7134970754, 14269941508, 17837426885, 35674853770, 71349707540]

約数ペア:

[(1, 71349707540), (2, 35674853770), (4, 17837426885), (5, 14269941508), (10, 7134970754), (17, 4197041620), (20, 3567485377), (34, 2098520810), (68, 1049260405), (85, 839408324), (170, 419704162), (340, 209852081), (421, 169476740), (842, 84738370), (1684, 42369185), (2105, 33895348), (4210, 16947674), (7157, 9969220), (8420, 8473837), (14314, 4984610), (28628, 2492305), (35785, 1993844), (71570, 996922), (143140, 498461)]