8690721380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{73019}}^1$

素因数の和:73580

約数の個数: 48

約数和(自身を含む): 19946727360

約数和(自身を除く): 11256005980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 541, 1082, 2164, 2705, 5410, 5951, 10820, 11902, 23804, 29755, 59510, 73019, 119020, 146038, 292076, 365095, 730190, 803209, 1460380, 1606418, 3212836, 4016045, 8032090, 16064180, 39503279, 79006558, 158013116, 197516395, 395032790, 434536069, 790065580, 869072138, 1738144276, 2172680345, 4345360690, 8690721380]

約数ペア:

[(1, 8690721380), (2, 4345360690), (4, 2172680345), (5, 1738144276), (10, 869072138), (11, 790065580), (20, 434536069), (22, 395032790), (44, 197516395), (55, 158013116), (110, 79006558), (220, 39503279), (541, 16064180), (1082, 8032090), (2164, 4016045), (2705, 3212836), (5410, 1606418), (5951, 1460380), (10820, 803209), (11902, 730190), (23804, 365095), (29755, 292076), (59510, 146038), (73019, 119020)]