78705440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 96

約数和(自身を含む): 204773184

約数和(自身を除く): 126067744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 197, 220, 227, 352, 394, 440, 454, 788, 880, 908, 985, 1135, 1576, 1760, 1816, 1970, 2167, 2270, 2497, 3152, 3632, 3940, 4334, 4540, 4994, 6304, 7264, 7880, 8668, 9080, 9988, 10835, 12485, 15760, 17336, 18160, 19976, 21670, 24970, 31520, 34672, 36320, 39952, 43340, 44719, 49940, 69344, 79904, 86680, 89438, 99880, 173360, 178876, 199760, 223595, 346720, 357752, 399520, 447190, 491909, 715504, 894380, 983818, 1431008, 1788760, 1967636, 2459545, 3577520, 3935272, 4919090, 7155040, 7870544, 9838180, 15741088, 19676360, 39352720, 78705440]

約数ペア:

[(1, 78705440), (2, 39352720), (4, 19676360), (5, 15741088), (8, 9838180), (10, 7870544), (11, 7155040), (16, 4919090), (20, 3935272), (22, 3577520), (32, 2459545), (40, 1967636), (44, 1788760), (55, 1431008), (80, 983818), (88, 894380), (110, 715504), (160, 491909), (176, 447190), (197, 399520), (220, 357752), (227, 346720), (352, 223595), (394, 199760), (440, 178876), (454, 173360), (788, 99880), (880, 89438), (908, 86680), (985, 79904), (1135, 69344), (1576, 49940), (1760, 44719), (1816, 43340), (1970, 39952), (2167, 36320), (2270, 34672), (2497, 31520), (3152, 24970), (3632, 21670), (3940, 19976), (4334, 18160), (4540, 17336), (4994, 15760), (6304, 12485), (7264, 10835), (7880, 9988), (8668, 9080)]