255702950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 539965440

約数和(自身を除く): 284262490

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 71, 85, 95, 142, 170, 190, 223, 323, 355, 425, 446, 475, 646, 710, 850, 950, 1115, 1207, 1349, 1615, 1775, 2230, 2414, 2698, 3230, 3550, 3791, 4237, 5575, 6035, 6745, 7582, 8075, 8474, 11150, 12070, 13490, 15833, 16150, 18955, 21185, 22933, 30175, 31666, 33725, 37910, 42370, 45866, 60350, 67450, 72029, 79165, 94775, 105925, 114665, 144058, 158330, 189550, 211850, 229330, 269161, 300827, 360145, 395825, 538322, 573325, 601654, 720290, 791650, 1146650, 1345805, 1504135, 1800725, 2691610, 3008270, 3601450, 5114059, 6729025, 7520675, 10228118, 13458050, 15041350, 25570295, 51140590, 127851475, 255702950]

約数ペア:

[(1, 255702950), (2, 127851475), (5, 51140590), (10, 25570295), (17, 15041350), (19, 13458050), (25, 10228118), (34, 7520675), (38, 6729025), (50, 5114059), (71, 3601450), (85, 3008270), (95, 2691610), (142, 1800725), (170, 1504135), (190, 1345805), (223, 1146650), (323, 791650), (355, 720290), (425, 601654), (446, 573325), (475, 538322), (646, 395825), (710, 360145), (850, 300827), (950, 269161), (1115, 229330), (1207, 211850), (1349, 189550), (1615, 158330), (1775, 144058), (2230, 114665), (2414, 105925), (2698, 94775), (3230, 79165), (3550, 72029), (3791, 67450), (4237, 60350), (5575, 45866), (6035, 42370), (6745, 37910), (7582, 33725), (8075, 31666), (8474, 30175), (11150, 22933), (12070, 21185), (13490, 18955), (15833, 16150)]