520000250

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:286

約数の個数: 192

約数和(自身を含む): 1313739648

約数和(自身を除く): 793739398

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 25, 34, 35, 49, 50, 55, 70, 77, 85, 98, 110, 119, 125, 154, 170, 175, 187, 227, 238, 245, 250, 275, 350, 374, 385, 425, 454, 490, 539, 550, 595, 770, 833, 850, 875, 935, 1078, 1135, 1190, 1225, 1309, 1375, 1589, 1666, 1750, 1870, 1925, 2125, 2270, 2450, 2497, 2618, 2695, 2750, 2975, 3178, 3850, 3859, 4165, 4250, 4675, 4994, 5390, 5675, 5950, 6125, 6545, 7718, 7945, 8330, 9163, 9350, 9625, 11123, 11350, 12250, 12485, 13090, 13475, 14875, 15890, 17479, 18326, 19250, 19295, 20825, 22246, 23375, 24970, 26950, 27013, 28375, 29750, 32725, 34958, 38590, 39725, 41650, 42449, 45815, 46750, 54026, 55615, 56750, 62425, 65450, 67375, 79450, 84898, 87395, 91630, 96475, 104125, 111230, 122353, 124850, 134750, 135065, 163625, 174790, 189091, 192950, 198625, 208250, 212245, 229075, 244706, 270130, 278075, 297143, 312125, 327250, 378182, 397250, 424490, 436975, 458150, 482375, 556150, 594286, 611765, 624250, 675325, 873950, 945455, 964750, 1061225, 1145375, 1223530, 1350650, 1390375, 1485715, 1890910, 2080001, 2122450, 2184875, 2290750, 2780750, 2971430, 3058825, 3376625, 4160002, 4369750, 4727275, 5306125, 6117650, 6753250, 7428575, 9454550, 10400005, 10612250, 14857150, 15294125, 20800010, 23636375, 30588250, 37142875, 47272750, 52000025, 74285750, 104000050, 260000125, 520000250]

約数ペア:

[(1, 520000250), (2, 260000125), (5, 104000050), (7, 74285750), (10, 52000025), (11, 47272750), (14, 37142875), (17, 30588250), (22, 23636375), (25, 20800010), (34, 15294125), (35, 14857150), (49, 10612250), (50, 10400005), (55, 9454550), (70, 7428575), (77, 6753250), (85, 6117650), (98, 5306125), (110, 4727275), (119, 4369750), (125, 4160002), (154, 3376625), (170, 3058825), (175, 2971430), (187, 2780750), (227, 2290750), (238, 2184875), (245, 2122450), (250, 2080001), (275, 1890910), (350, 1485715), (374, 1390375), (385, 1350650), (425, 1223530), (454, 1145375), (490, 1061225), (539, 964750), (550, 945455), (595, 873950), (770, 675325), (833, 624250), (850, 611765), (875, 594286), (935, 556150), (1078, 482375), (1135, 458150), (1190, 436975), (1225, 424490), (1309, 397250), (1375, 378182), (1589, 327250), (1666, 312125), (1750, 297143), (1870, 278075), (1925, 270130), (2125, 244706), (2270, 229075), (2450, 212245), (2497, 208250), (2618, 198625), (2695, 192950), (2750, 189091), (2975, 174790), (3178, 163625), (3850, 135065), (3859, 134750), (4165, 124850), (4250, 122353), (4675, 111230), (4994, 104125), (5390, 96475), (5675, 91630), (5950, 87395), (6125, 84898), (6545, 79450), (7718, 67375), (7945, 65450), (8330, 62425), (9163, 56750), (9350, 55615), (9625, 54026), (11123, 46750), (11350, 45815), (12250, 42449), (12485, 41650), (13090, 39725), (13475, 38590), (14875, 34958), (15890, 32725), (17479, 29750), (18326, 28375), (19250, 27013), (19295, 26950), (20825, 24970), (22246, 23375)]