2607220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1693}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 6830208

約数和(自身を除く): 4222988

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1693, 3386, 6772, 8465, 11851, 16930, 18623, 23702, 33860, 37246, 47404, 59255, 74492, 93115, 118510, 130361, 186230, 237020, 260722, 372460, 521444, 651805, 1303610, 2607220]

約数ペア:

[(1, 2607220), (2, 1303610), (4, 651805), (5, 521444), (7, 372460), (10, 260722), (11, 237020), (14, 186230), (20, 130361), (22, 118510), (28, 93115), (35, 74492), (44, 59255), (55, 47404), (70, 37246), (77, 33860), (110, 23702), (140, 18623), (154, 16930), (220, 11851), (308, 8465), (385, 6772), (770, 3386), (1540, 1693)]