28356702950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1\times {\mathrm{1993}}^1$

素因数の和:2922

約数の個数: 96

約数和(自身を含む): 58881543840

約数和(自身を除く): 30524840890

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 323, 425, 475, 646, 850, 881, 950, 1615, 1762, 1993, 3230, 3986, 4405, 8075, 8810, 9965, 14977, 16150, 16739, 19930, 22025, 29954, 33478, 33881, 37867, 44050, 49825, 67762, 74885, 75734, 83695, 99650, 149770, 167390, 169405, 189335, 284563, 338810, 374425, 378670, 418475, 569126, 643739, 748850, 836950, 847025, 946675, 1287478, 1422815, 1694050, 1755833, 1893350, 2845630, 3218695, 3511666, 6437390, 7114075, 8779165, 14228150, 16093475, 17558330, 29849161, 32186950, 33360827, 43895825, 59698322, 66721654, 87791650, 149245805, 166804135, 298491610, 333608270, 567134059, 746229025, 834020675, 1134268118, 1492458050, 1668041350, 2835670295, 5671340590, 14178351475, 28356702950]

約数ペア:

[(1, 28356702950), (2, 14178351475), (5, 5671340590), (10, 2835670295), (17, 1668041350), (19, 1492458050), (25, 1134268118), (34, 834020675), (38, 746229025), (50, 567134059), (85, 333608270), (95, 298491610), (170, 166804135), (190, 149245805), (323, 87791650), (425, 66721654), (475, 59698322), (646, 43895825), (850, 33360827), (881, 32186950), (950, 29849161), (1615, 17558330), (1762, 16093475), (1993, 14228150), (3230, 8779165), (3986, 7114075), (4405, 6437390), (8075, 3511666), (8810, 3218695), (9965, 2845630), (14977, 1893350), (16150, 1755833), (16739, 1694050), (19930, 1422815), (22025, 1287478), (29954, 946675), (33478, 847025), (33881, 836950), (37867, 748850), (44050, 643739), (49825, 569126), (67762, 418475), (74885, 378670), (75734, 374425), (83695, 338810), (99650, 284563), (149770, 189335), (167390, 169405)]