201268760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:777

約数の個数: 128

約数和(自身を含む): 571069440

約数和(自身を除く): 369800680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 101, 110, 140, 154, 202, 220, 280, 308, 385, 404, 440, 505, 616, 647, 707, 770, 808, 1010, 1111, 1294, 1414, 1540, 2020, 2222, 2588, 2828, 3080, 3235, 3535, 4040, 4444, 4529, 5176, 5555, 5656, 6470, 7070, 7117, 7777, 8888, 9058, 11110, 12940, 14140, 14234, 15554, 18116, 22220, 22645, 25880, 28280, 28468, 31108, 35585, 36232, 38885, 44440, 45290, 49819, 56936, 62216, 65347, 71170, 77770, 90580, 99638, 130694, 142340, 155540, 181160, 199276, 249095, 261388, 284680, 311080, 326735, 398552, 457429, 498190, 522776, 653470, 718817, 914858, 996380, 1306940, 1437634, 1829716, 1992760, 2287145, 2613880, 2875268, 3594085, 3659432, 4574290, 5031719, 5750536, 7188170, 9148580, 10063438, 14376340, 18297160, 20126876, 25158595, 28752680, 40253752, 50317190, 100634380, 201268760]

約数ペア:

[(1, 201268760), (2, 100634380), (4, 50317190), (5, 40253752), (7, 28752680), (8, 25158595), (10, 20126876), (11, 18297160), (14, 14376340), (20, 10063438), (22, 9148580), (28, 7188170), (35, 5750536), (40, 5031719), (44, 4574290), (55, 3659432), (56, 3594085), (70, 2875268), (77, 2613880), (88, 2287145), (101, 1992760), (110, 1829716), (140, 1437634), (154, 1306940), (202, 996380), (220, 914858), (280, 718817), (308, 653470), (385, 522776), (404, 498190), (440, 457429), (505, 398552), (616, 326735), (647, 311080), (707, 284680), (770, 261388), (808, 249095), (1010, 199276), (1111, 181160), (1294, 155540), (1414, 142340), (1540, 130694), (2020, 99638), (2222, 90580), (2588, 77770), (2828, 71170), (3080, 65347), (3235, 62216), (3535, 56936), (4040, 49819), (4444, 45290), (4529, 44440), (5176, 38885), (5555, 36232), (5656, 35585), (6470, 31108), (7070, 28468), (7117, 28280), (7777, 25880), (8888, 22645), (9058, 22220), (11110, 18116), (12940, 15554), (14140, 14234)]