1915280

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 4519800

約数和(自身を除く): 2604520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 269, 356, 445, 538, 712, 890, 1076, 1345, 1424, 1780, 2152, 2690, 3560, 4304, 5380, 7120, 10760, 21520, 23941, 47882, 95764, 119705, 191528, 239410, 383056, 478820, 957640, 1915280]

約数ペア:

[(1, 1915280), (2, 957640), (4, 478820), (5, 383056), (8, 239410), (10, 191528), (16, 119705), (20, 95764), (40, 47882), (80, 23941), (89, 21520), (178, 10760), (269, 7120), (356, 5380), (445, 4304), (538, 3560), (712, 2690), (890, 2152), (1076, 1780), (1345, 1424)]