2018200500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{541}}^1\times {\mathrm{829}}^1$

素因数の和:1395

約数の個数: 144

約数和(自身を含む): 6386212560

約数和(自身を除く): 4368012060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 541, 750, 829, 900, 1082, 1125, 1500, 1623, 1658, 2164, 2250, 2487, 2705, 3246, 3316, 4145, 4500, 4869, 4974, 5410, 6492, 7461, 8115, 8290, 9738, 9948, 10820, 12435, 13525, 14922, 16230, 16580, 19476, 20725, 24345, 24870, 27050, 29844, 32460, 37305, 40575, 41450, 48690, 49740, 54100, 62175, 67625, 74610, 81150, 82900, 97380, 103625, 121725, 124350, 135250, 149220, 162300, 186525, 202875, 207250, 243450, 248700, 270500, 310875, 373050, 405750, 414500, 448489, 486900, 608625, 621750, 746100, 811500, 896978, 932625, 1217250, 1243500, 1345467, 1793956, 1865250, 2242445, 2434500, 2690934, 3730500, 4036401, 4484890, 5381868, 6727335, 8072802, 8969780, 11212225, 13454670, 16145604, 20182005, 22424450, 26909340, 33636675, 40364010, 44848900, 56061125, 67273350, 80728020, 100910025, 112122250, 134546700, 168183375, 201820050, 224244500, 336366750, 403640100, 504550125, 672733500, 1009100250, 2018200500]

約数ペア:

[(1, 2018200500), (2, 1009100250), (3, 672733500), (4, 504550125), (5, 403640100), (6, 336366750), (9, 224244500), (10, 201820050), (12, 168183375), (15, 134546700), (18, 112122250), (20, 100910025), (25, 80728020), (30, 67273350), (36, 56061125), (45, 44848900), (50, 40364010), (60, 33636675), (75, 26909340), (90, 22424450), (100, 20182005), (125, 16145604), (150, 13454670), (180, 11212225), (225, 8969780), (250, 8072802), (300, 6727335), (375, 5381868), (450, 4484890), (500, 4036401), (541, 3730500), (750, 2690934), (829, 2434500), (900, 2242445), (1082, 1865250), (1125, 1793956), (1500, 1345467), (1623, 1243500), (1658, 1217250), (2164, 932625), (2250, 896978), (2487, 811500), (2705, 746100), (3246, 621750), (3316, 608625), (4145, 486900), (4500, 448489), (4869, 414500), (4974, 405750), (5410, 373050), (6492, 310875), (7461, 270500), (8115, 248700), (8290, 243450), (9738, 207250), (9948, 202875), (10820, 186525), (12435, 162300), (13525, 149220), (14922, 135250), (16230, 124350), (16580, 121725), (19476, 103625), (20725, 97380), (24345, 82900), (24870, 81150), (27050, 74610), (29844, 67625), (32460, 62175), (37305, 54100), (40575, 49740), (41450, 48690)]