28228500

素因数分解:

$2^2\times 3^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:89

約数の個数: 240

約数和(自身を含む): 99891792

約数和(自身を除く): 71663292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 34, 36, 41, 45, 50, 51, 54, 60, 68, 75, 81, 82, 85, 90, 100, 102, 108, 123, 125, 135, 150, 153, 162, 164, 170, 180, 204, 205, 225, 246, 250, 255, 270, 300, 306, 324, 340, 369, 375, 405, 410, 425, 450, 459, 492, 500, 510, 540, 612, 615, 675, 697, 738, 750, 765, 810, 820, 850, 900, 918, 1020, 1025, 1107, 1125, 1230, 1275, 1350, 1377, 1394, 1476, 1500, 1530, 1620, 1700, 1836, 1845, 2025, 2050, 2091, 2125, 2214, 2250, 2295, 2460, 2550, 2700, 2754, 2788, 3060, 3075, 3321, 3375, 3485, 3690, 3825, 4050, 4100, 4182, 4250, 4428, 4500, 4590, 5100, 5125, 5508, 5535, 6150, 6273, 6375, 6642, 6750, 6885, 6970, 7380, 7650, 8100, 8364, 8500, 9180, 9225, 10125, 10250, 10455, 11070, 11475, 12300, 12546, 12750, 13284, 13500, 13770, 13940, 15300, 15375, 16605, 17425, 18450, 18819, 19125, 20250, 20500, 20910, 22140, 22950, 25092, 25500, 27540, 27675, 30750, 31365, 33210, 34425, 34850, 36900, 37638, 38250, 40500, 41820, 45900, 46125, 52275, 55350, 56457, 57375, 61500, 62730, 66420, 68850, 69700, 75276, 76500, 83025, 87125, 92250, 94095, 104550, 110700, 112914, 114750, 125460, 137700, 138375, 156825, 166050, 172125, 174250, 184500, 188190, 209100, 225828, 229500, 261375, 276750, 282285, 313650, 332100, 344250, 348500, 376380, 415125, 470475, 522750, 553500, 564570, 627300, 688500, 784125, 830250, 940950, 1045500, 1129140, 1411425, 1568250, 1660500, 1881900, 2352375, 2822850, 3136500, 4704750, 5645700, 7057125, 9409500, 14114250, 28228500]

約数ペア:

[(1, 28228500), (2, 14114250), (3, 9409500), (4, 7057125), (5, 5645700), (6, 4704750), (9, 3136500), (10, 2822850), (12, 2352375), (15, 1881900), (17, 1660500), (18, 1568250), (20, 1411425), (25, 1129140), (27, 1045500), (30, 940950), (34, 830250), (36, 784125), (41, 688500), (45, 627300), (50, 564570), (51, 553500), (54, 522750), (60, 470475), (68, 415125), (75, 376380), (81, 348500), (82, 344250), (85, 332100), (90, 313650), (100, 282285), (102, 276750), (108, 261375), (123, 229500), (125, 225828), (135, 209100), (150, 188190), (153, 184500), (162, 174250), (164, 172125), (170, 166050), (180, 156825), (204, 138375), (205, 137700), (225, 125460), (246, 114750), (250, 112914), (255, 110700), (270, 104550), (300, 94095), (306, 92250), (324, 87125), (340, 83025), (369, 76500), (375, 75276), (405, 69700), (410, 68850), (425, 66420), (450, 62730), (459, 61500), (492, 57375), (500, 56457), (510, 55350), (540, 52275), (612, 46125), (615, 45900), (675, 41820), (697, 40500), (738, 38250), (750, 37638), (765, 36900), (810, 34850), (820, 34425), (850, 33210), (900, 31365), (918, 30750), (1020, 27675), (1025, 27540), (1107, 25500), (1125, 25092), (1230, 22950), (1275, 22140), (1350, 20910), (1377, 20500), (1394, 20250), (1476, 19125), (1500, 18819), (1530, 18450), (1620, 17425), (1700, 16605), (1836, 15375), (1845, 15300), (2025, 13940), (2050, 13770), (2091, 13500), (2125, 13284), (2214, 12750), (2250, 12546), (2295, 12300), (2460, 11475), (2550, 11070), (2700, 10455), (2754, 10250), (2788, 10125), (3060, 9225), (3075, 9180), (3321, 8500), (3375, 8364), (3485, 8100), (3690, 7650), (3825, 7380), (4050, 6970), (4100, 6885), (4182, 6750), (4250, 6642), (4428, 6375), (4500, 6273), (4590, 6150), (5100, 5535), (5125, 5508)]