349728170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 702172800

約数和(自身を除く): 352444630

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 139, 178, 257, 278, 445, 514, 695, 890, 979, 1285, 1390, 1529, 1958, 2570, 2827, 3058, 4895, 5654, 7645, 9790, 12371, 14135, 15290, 22873, 24742, 28270, 35723, 45746, 61855, 71446, 114365, 123710, 136081, 178615, 228730, 251603, 272162, 357230, 392953, 503206, 680405, 785906, 1258015, 1360810, 1964765, 2516030, 3179347, 3929530, 6358694, 15896735, 31793470, 34972817, 69945634, 174864085, 349728170]

約数ペア:

[(1, 349728170), (2, 174864085), (5, 69945634), (10, 34972817), (11, 31793470), (22, 15896735), (55, 6358694), (89, 3929530), (110, 3179347), (139, 2516030), (178, 1964765), (257, 1360810), (278, 1258015), (445, 785906), (514, 680405), (695, 503206), (890, 392953), (979, 357230), (1285, 272162), (1390, 251603), (1529, 228730), (1958, 178615), (2570, 136081), (2827, 123710), (3058, 114365), (4895, 71446), (5654, 61855), (7645, 45746), (9790, 35723), (12371, 28270), (14135, 24742), (15290, 22873)]