196405420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2417}}^1$

素因数の和:2682

約数の個数: 48

約数和(自身を含む): 438721920

約数和(自身を除く): 242316500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 239, 340, 478, 956, 1195, 2390, 2417, 4063, 4780, 4834, 8126, 9668, 12085, 16252, 20315, 24170, 40630, 41089, 48340, 81260, 82178, 164356, 205445, 410890, 577663, 821780, 1155326, 2310652, 2888315, 5776630, 9820271, 11553260, 19640542, 39281084, 49101355, 98202710, 196405420]

約数ペア:

[(1, 196405420), (2, 98202710), (4, 49101355), (5, 39281084), (10, 19640542), (17, 11553260), (20, 9820271), (34, 5776630), (68, 2888315), (85, 2310652), (170, 1155326), (239, 821780), (340, 577663), (478, 410890), (956, 205445), (1195, 164356), (2390, 82178), (2417, 81260), (4063, 48340), (4780, 41089), (4834, 40630), (8126, 24170), (9668, 20315), (12085, 16252)]