219651390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20509}}^1$

素因数の和:20546

約数の個数: 96

約数和(自身を含む): 691104960

約数和(自身を除く): 471453570

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 119, 126, 153, 170, 210, 238, 255, 306, 315, 357, 510, 595, 630, 714, 765, 1071, 1190, 1530, 1785, 2142, 3570, 5355, 10710, 20509, 41018, 61527, 102545, 123054, 143563, 184581, 205090, 287126, 307635, 348653, 369162, 430689, 615270, 697306, 717815, 861378, 922905, 1045959, 1292067, 1435630, 1743265, 1845810, 2091918, 2153445, 2440571, 2584134, 3137877, 3486530, 4306890, 4881142, 5229795, 6275754, 6460335, 7321713, 10459590, 12202855, 12920670, 14643426, 15689385, 21965139, 24405710, 31378770, 36608565, 43930278, 73217130, 109825695, 219651390]

約数ペア:

[(1, 219651390), (2, 109825695), (3, 73217130), (5, 43930278), (6, 36608565), (7, 31378770), (9, 24405710), (10, 21965139), (14, 15689385), (15, 14643426), (17, 12920670), (18, 12202855), (21, 10459590), (30, 7321713), (34, 6460335), (35, 6275754), (42, 5229795), (45, 4881142), (51, 4306890), (63, 3486530), (70, 3137877), (85, 2584134), (90, 2440571), (102, 2153445), (105, 2091918), (119, 1845810), (126, 1743265), (153, 1435630), (170, 1292067), (210, 1045959), (238, 922905), (255, 861378), (306, 717815), (315, 697306), (357, 615270), (510, 430689), (595, 369162), (630, 348653), (714, 307635), (765, 287126), (1071, 205090), (1190, 184581), (1530, 143563), (1785, 123054), (2142, 102545), (3570, 61527), (5355, 41018), (10710, 20509)]