1788837890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{1979}}^1$

素因数の和:2379

約数の個数: 64

約数和(自身を含む): 3792096000

約数和(自身を除く): 2003258110

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 349, 370, 518, 698, 1295, 1745, 1979, 2443, 2590, 3490, 3958, 4886, 9895, 12215, 12913, 13853, 19790, 24430, 25826, 27706, 64565, 69265, 73223, 90391, 129130, 138530, 146446, 180782, 366115, 451955, 512561, 690671, 732230, 903910, 1025122, 1381342, 2562805, 3453355, 4834697, 5125610, 6906710, 9669394, 24173485, 25554827, 48346970, 51109654, 127774135, 178883789, 255548270, 357767578, 894418945, 1788837890]

約数ペア:

[(1, 1788837890), (2, 894418945), (5, 357767578), (7, 255548270), (10, 178883789), (14, 127774135), (35, 51109654), (37, 48346970), (70, 25554827), (74, 24173485), (185, 9669394), (259, 6906710), (349, 5125610), (370, 4834697), (518, 3453355), (698, 2562805), (1295, 1381342), (1745, 1025122), (1979, 903910), (2443, 732230), (2590, 690671), (3490, 512561), (3958, 451955), (4886, 366115), (9895, 180782), (12215, 146446), (12913, 138530), (13853, 129130), (19790, 90391), (24430, 73223), (25826, 69265), (27706, 64565)]