2819066380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{111779}}^1$

素因数の和:111898

約数の個数: 48

約数和(自身を含む): 6441210720

約数和(自身を除く): 3622144340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 5044, 6305, 12610, 25220, 111779, 223558, 447116, 558895, 1117790, 1453127, 2235580, 2906254, 5812508, 7265635, 10842563, 14531270, 21685126, 29062540, 43370252, 54212815, 108425630, 140953319, 216851260, 281906638, 563813276, 704766595, 1409533190, 2819066380]

約数ペア:

[(1, 2819066380), (2, 1409533190), (4, 704766595), (5, 563813276), (10, 281906638), (13, 216851260), (20, 140953319), (26, 108425630), (52, 54212815), (65, 43370252), (97, 29062540), (130, 21685126), (194, 14531270), (260, 10842563), (388, 7265635), (485, 5812508), (970, 2906254), (1261, 2235580), (1940, 1453127), (2522, 1117790), (5044, 558895), (6305, 447116), (12610, 223558), (25220, 111779)]