220972528

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2699}}^1$

素因数の和:2774

約数の個数: 80

約数和(自身を含む): 530323200

約数和(自身を除く): 309350672

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 43, 56, 68, 86, 112, 119, 136, 172, 238, 272, 301, 344, 476, 602, 688, 731, 952, 1204, 1462, 1904, 2408, 2699, 2924, 4816, 5117, 5398, 5848, 10234, 10796, 11696, 18893, 20468, 21592, 37786, 40936, 43184, 45883, 75572, 81872, 91766, 116057, 151144, 183532, 232114, 302288, 321181, 367064, 464228, 642362, 734128, 812399, 928456, 1284724, 1624798, 1856912, 1972969, 2569448, 3249596, 3945938, 5138896, 6499192, 7891876, 12998384, 13810783, 15783752, 27621566, 31567504, 55243132, 110486264, 220972528]

約数ペア:

[(1, 220972528), (2, 110486264), (4, 55243132), (7, 31567504), (8, 27621566), (14, 15783752), (16, 13810783), (17, 12998384), (28, 7891876), (34, 6499192), (43, 5138896), (56, 3945938), (68, 3249596), (86, 2569448), (112, 1972969), (119, 1856912), (136, 1624798), (172, 1284724), (238, 928456), (272, 812399), (301, 734128), (344, 642362), (476, 464228), (602, 367064), (688, 321181), (731, 302288), (952, 232114), (1204, 183532), (1462, 151144), (1904, 116057), (2408, 91766), (2699, 81872), (2924, 75572), (4816, 45883), (5117, 43184), (5398, 40936), (5848, 37786), (10234, 21592), (10796, 20468), (11696, 18893)]