77988020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3313}}^1$

素因数の和:3440

約数の個数: 48

約数和(自身を含む): 180387648

約数和(自身を除く): 102399628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 3313, 4708, 5885, 6626, 11770, 13252, 16565, 23540, 33130, 36443, 66260, 72886, 145772, 182215, 354491, 364430, 708982, 728860, 1417964, 1772455, 3544910, 3899401, 7089820, 7798802, 15597604, 19497005, 38994010, 77988020]

約数ペア:

[(1, 77988020), (2, 38994010), (4, 19497005), (5, 15597604), (10, 7798802), (11, 7089820), (20, 3899401), (22, 3544910), (44, 1772455), (55, 1417964), (107, 728860), (110, 708982), (214, 364430), (220, 354491), (428, 182215), (535, 145772), (1070, 72886), (1177, 66260), (2140, 36443), (2354, 33130), (3313, 23540), (4708, 16565), (5885, 13252), (6626, 11770)]