123407420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 293787648

約数和(自身を除く): 170380228

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 43, 46, 68, 85, 86, 92, 115, 170, 172, 215, 230, 340, 367, 391, 430, 460, 731, 734, 782, 860, 989, 1462, 1468, 1564, 1835, 1955, 1978, 2924, 3655, 3670, 3910, 3956, 4945, 6239, 7310, 7340, 7820, 8441, 9890, 12478, 14620, 15781, 16813, 16882, 19780, 24956, 31195, 31562, 33626, 33764, 42205, 62390, 63124, 67252, 78905, 84065, 84410, 124780, 143497, 157810, 168130, 168820, 268277, 286994, 315620, 336260, 362963, 536554, 573988, 717485, 725926, 1073108, 1341385, 1434970, 1451852, 1814815, 2682770, 2869940, 3629630, 5365540, 6170371, 7259260, 12340742, 24681484, 30851855, 61703710, 123407420]

約数ペア:

[(1, 123407420), (2, 61703710), (4, 30851855), (5, 24681484), (10, 12340742), (17, 7259260), (20, 6170371), (23, 5365540), (34, 3629630), (43, 2869940), (46, 2682770), (68, 1814815), (85, 1451852), (86, 1434970), (92, 1341385), (115, 1073108), (170, 725926), (172, 717485), (215, 573988), (230, 536554), (340, 362963), (367, 336260), (391, 315620), (430, 286994), (460, 268277), (731, 168820), (734, 168130), (782, 157810), (860, 143497), (989, 124780), (1462, 84410), (1468, 84065), (1564, 78905), (1835, 67252), (1955, 63124), (1978, 62390), (2924, 42205), (3655, 33764), (3670, 33626), (3910, 31562), (3956, 31195), (4945, 24956), (6239, 19780), (7310, 16882), (7340, 16813), (7820, 15781), (8441, 14620), (9890, 12478)]