353221780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21617}}^1$

素因数の和:21688

約数の個数: 48

約数和(自身を含む): 799001280

約数和(自身を除く): 445779500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 16340, 21617, 43234, 86468, 108085, 216170, 410723, 432340, 821446, 929531, 1642892, 1859062, 2053615, 3718124, 4107230, 4647655, 8214460, 9295310, 17661089, 18590620, 35322178, 70644356, 88305445, 176610890, 353221780]

約数ペア:

[(1, 353221780), (2, 176610890), (4, 88305445), (5, 70644356), (10, 35322178), (19, 18590620), (20, 17661089), (38, 9295310), (43, 8214460), (76, 4647655), (86, 4107230), (95, 3718124), (172, 2053615), (190, 1859062), (215, 1642892), (380, 929531), (430, 821446), (817, 432340), (860, 410723), (1634, 216170), (3268, 108085), (4085, 86468), (8170, 43234), (16340, 21617)]