438949520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{322757}}^1$

素因数の和:322787

約数の個数: 40

約数和(自身を含む): 1080593784

約数和(自身を除く): 641644264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 322757, 645514, 1291028, 1613785, 2582056, 3227570, 5164112, 5486869, 6455140, 10973738, 12910280, 21947476, 25820560, 27434345, 43894952, 54868690, 87789904, 109737380, 219474760, 438949520]

約数ペア:

[(1, 438949520), (2, 219474760), (4, 109737380), (5, 87789904), (8, 54868690), (10, 43894952), (16, 27434345), (17, 25820560), (20, 21947476), (34, 12910280), (40, 10973738), (68, 6455140), (80, 5486869), (85, 5164112), (136, 3227570), (170, 2582056), (272, 1613785), (340, 1291028), (680, 645514), (1360, 322757)]