77748580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42719}}^1$

素因数の和:42748

約数の個数: 48

約数和(自身を含む): 200954880

約数和(自身を除く): 123206300

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 42719, 85438, 170876, 213595, 299033, 427190, 555347, 598066, 854380, 1110694, 1196132, 1495165, 2221388, 2776735, 2990330, 3887429, 5553470, 5980660, 7774858, 11106940, 15549716, 19437145, 38874290, 77748580]

約数ペア:

[(1, 77748580), (2, 38874290), (4, 19437145), (5, 15549716), (7, 11106940), (10, 7774858), (13, 5980660), (14, 5553470), (20, 3887429), (26, 2990330), (28, 2776735), (35, 2221388), (52, 1495165), (65, 1196132), (70, 1110694), (91, 854380), (130, 598066), (140, 555347), (182, 427190), (260, 299033), (364, 213595), (455, 170876), (910, 85438), (1820, 42719)]