51722500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1258

約数の個数: 60

約数和(自身を含む): 119858508

約数和(自身を除く): 68136008

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 625, 850, 1217, 1250, 1700, 2125, 2434, 2500, 4250, 4868, 6085, 8500, 10625, 12170, 20689, 21250, 24340, 30425, 41378, 42500, 60850, 82756, 103445, 121700, 152125, 206890, 304250, 413780, 517225, 608500, 760625, 1034450, 1521250, 2068900, 2586125, 3042500, 5172250, 10344500, 12930625, 25861250, 51722500]

約数ペア:

[(1, 51722500), (2, 25861250), (4, 12930625), (5, 10344500), (10, 5172250), (17, 3042500), (20, 2586125), (25, 2068900), (34, 1521250), (50, 1034450), (68, 760625), (85, 608500), (100, 517225), (125, 413780), (170, 304250), (250, 206890), (340, 152125), (425, 121700), (500, 103445), (625, 82756), (850, 60850), (1217, 42500), (1250, 41378), (1700, 30425), (2125, 24340), (2434, 21250), (2500, 20689), (4250, 12170), (4868, 10625), (6085, 8500)]