268921250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 120

約数和(自身を含む): 583125840

約数和(自身を除く): 314204590

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 67, 95, 125, 130, 134, 169, 190, 247, 250, 325, 335, 338, 475, 494, 625, 650, 670, 845, 871, 950, 1235, 1250, 1273, 1625, 1675, 1690, 1742, 2375, 2470, 2546, 3211, 3250, 3350, 4225, 4355, 4750, 6175, 6365, 6422, 8125, 8375, 8450, 8710, 11323, 11875, 12350, 12730, 16055, 16250, 16549, 16750, 21125, 21775, 22646, 23750, 30875, 31825, 32110, 33098, 41875, 42250, 43550, 56615, 61750, 63650, 80275, 82745, 83750, 105625, 108875, 113230, 154375, 159125, 160550, 165490, 211250, 215137, 217750, 283075, 308750, 318250, 401375, 413725, 430274, 544375, 566150, 795625, 802750, 827450, 1075685, 1088750, 1415375, 1591250, 2006875, 2068625, 2151370, 2830750, 4013750, 4137250, 5378425, 7076875, 10343125, 10756850, 14153750, 20686250, 26892125, 53784250, 134460625, 268921250]

約数ペア:

[(1, 268921250), (2, 134460625), (5, 53784250), (10, 26892125), (13, 20686250), (19, 14153750), (25, 10756850), (26, 10343125), (38, 7076875), (50, 5378425), (65, 4137250), (67, 4013750), (95, 2830750), (125, 2151370), (130, 2068625), (134, 2006875), (169, 1591250), (190, 1415375), (247, 1088750), (250, 1075685), (325, 827450), (335, 802750), (338, 795625), (475, 566150), (494, 544375), (625, 430274), (650, 413725), (670, 401375), (845, 318250), (871, 308750), (950, 283075), (1235, 217750), (1250, 215137), (1273, 211250), (1625, 165490), (1675, 160550), (1690, 159125), (1742, 154375), (2375, 113230), (2470, 108875), (2546, 105625), (3211, 83750), (3250, 82745), (3350, 80275), (4225, 63650), (4355, 61750), (4750, 56615), (6175, 43550), (6365, 42250), (6422, 41875), (8125, 33098), (8375, 32110), (8450, 31825), (8710, 30875), (11323, 23750), (11875, 22646), (12350, 21775), (12730, 21125), (16055, 16750), (16250, 16549)]