1489840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1693}}^1$

素因数の和:1717

約数の個数: 40

約数和(自身を含む): 3781008

約数和(自身を除く): 2291168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1693, 3386, 6772, 8465, 13544, 16930, 18623, 27088, 33860, 37246, 67720, 74492, 93115, 135440, 148984, 186230, 297968, 372460, 744920, 1489840]

約数ペア:

[(1, 1489840), (2, 744920), (4, 372460), (5, 297968), (8, 186230), (10, 148984), (11, 135440), (16, 93115), (20, 74492), (22, 67720), (40, 37246), (44, 33860), (55, 27088), (80, 18623), (88, 16930), (110, 13544), (176, 8465), (220, 6772), (440, 3386), (880, 1693)]