205286240

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 498960000

約数和(自身を除く): 293673760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 109, 149, 158, 160, 218, 298, 316, 395, 436, 545, 596, 632, 745, 790, 872, 1090, 1192, 1264, 1490, 1580, 1744, 2180, 2384, 2528, 2980, 3160, 3488, 4360, 4768, 5960, 6320, 8611, 8720, 11771, 11920, 12640, 16241, 17222, 17440, 23542, 23840, 32482, 34444, 43055, 47084, 58855, 64964, 68888, 81205, 86110, 94168, 117710, 129928, 137776, 162410, 172220, 188336, 235420, 259856, 275552, 324820, 344440, 376672, 470840, 519712, 649640, 688880, 941680, 1283039, 1299280, 1377760, 1883360, 2566078, 2598560, 5132156, 6415195, 10264312, 12830390, 20528624, 25660780, 41057248, 51321560, 102643120, 205286240]

約数ペア:

[(1, 205286240), (2, 102643120), (4, 51321560), (5, 41057248), (8, 25660780), (10, 20528624), (16, 12830390), (20, 10264312), (32, 6415195), (40, 5132156), (79, 2598560), (80, 2566078), (109, 1883360), (149, 1377760), (158, 1299280), (160, 1283039), (218, 941680), (298, 688880), (316, 649640), (395, 519712), (436, 470840), (545, 376672), (596, 344440), (632, 324820), (745, 275552), (790, 259856), (872, 235420), (1090, 188336), (1192, 172220), (1264, 162410), (1490, 137776), (1580, 129928), (1744, 117710), (2180, 94168), (2384, 86110), (2528, 81205), (2980, 68888), (3160, 64964), (3488, 58855), (4360, 47084), (4768, 43055), (5960, 34444), (6320, 32482), (8611, 23840), (8720, 23542), (11771, 17440), (11920, 17222), (12640, 16241)]