205375912

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 496108800

約数和(自身を除く): 290732888

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 29, 34, 43, 56, 58, 68, 86, 116, 119, 136, 172, 173, 203, 232, 238, 301, 344, 346, 406, 476, 493, 602, 692, 731, 812, 952, 986, 1204, 1211, 1247, 1384, 1462, 1624, 1972, 2408, 2422, 2494, 2924, 2941, 3451, 3944, 4844, 4988, 5017, 5117, 5848, 5882, 6902, 7439, 8729, 9688, 9976, 10034, 10234, 11764, 13804, 14878, 17458, 20068, 20468, 20587, 21199, 23528, 27608, 29756, 34916, 35119, 40136, 40936, 41174, 42398, 52073, 59512, 69832, 70238, 82348, 84796, 85289, 104146, 126463, 140476, 148393, 164696, 169592, 170578, 208292, 215731, 252926, 280952, 296786, 341156, 416584, 431462, 505852, 593572, 597023, 682312, 862924, 885241, 1011704, 1187144, 1194046, 1510117, 1725848, 1770482, 2388092, 3020234, 3540964, 3667427, 4776184, 6040468, 7081928, 7334854, 12080936, 14669708, 25671989, 29339416, 51343978, 102687956, 205375912]

約数ペア:

[(1, 205375912), (2, 102687956), (4, 51343978), (7, 29339416), (8, 25671989), (14, 14669708), (17, 12080936), (28, 7334854), (29, 7081928), (34, 6040468), (43, 4776184), (56, 3667427), (58, 3540964), (68, 3020234), (86, 2388092), (116, 1770482), (119, 1725848), (136, 1510117), (172, 1194046), (173, 1187144), (203, 1011704), (232, 885241), (238, 862924), (301, 682312), (344, 597023), (346, 593572), (406, 505852), (476, 431462), (493, 416584), (602, 341156), (692, 296786), (731, 280952), (812, 252926), (952, 215731), (986, 208292), (1204, 170578), (1211, 169592), (1247, 164696), (1384, 148393), (1462, 140476), (1624, 126463), (1972, 104146), (2408, 85289), (2422, 84796), (2494, 82348), (2924, 70238), (2941, 69832), (3451, 59512), (3944, 52073), (4844, 42398), (4988, 41174), (5017, 40936), (5117, 40136), (5848, 35119), (5882, 34916), (6902, 29756), (7439, 27608), (8729, 23528), (9688, 21199), (9976, 20587), (10034, 20468), (10234, 20068), (11764, 17458), (13804, 14878)]