221058820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{2417}}^1$

素因数の和:2712

約数の個数: 48

約数和(自身を含む): 493562160

約数和(自身を除く): 272503340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 269, 340, 538, 1076, 1345, 2417, 2690, 4573, 4834, 5380, 9146, 9668, 12085, 18292, 22865, 24170, 41089, 45730, 48340, 82178, 91460, 164356, 205445, 410890, 650173, 821780, 1300346, 2600692, 3250865, 6501730, 11052941, 13003460, 22105882, 44211764, 55264705, 110529410, 221058820]

約数ペア:

[(1, 221058820), (2, 110529410), (4, 55264705), (5, 44211764), (10, 22105882), (17, 13003460), (20, 11052941), (34, 6501730), (68, 3250865), (85, 2600692), (170, 1300346), (269, 821780), (340, 650173), (538, 410890), (1076, 205445), (1345, 164356), (2417, 91460), (2690, 82178), (4573, 48340), (4834, 45730), (5380, 41089), (9146, 24170), (9668, 22865), (12085, 18292)]