586420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 1247400

約数和(自身を除く): 660980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 269, 436, 538, 545, 1076, 1090, 1345, 2180, 2690, 5380, 29321, 58642, 117284, 146605, 293210, 586420]

約数ペア:

[(1, 586420), (2, 293210), (4, 146605), (5, 117284), (10, 58642), (20, 29321), (109, 5380), (218, 2690), (269, 2180), (436, 1345), (538, 1090), (545, 1076)]