318555760

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{41051}}^1$

素因数の和:41161

約数の個数: 40

約数和(自身を含む): 748295856

約数和(自身を除く): 429740096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 41051, 82102, 164204, 205255, 328408, 410510, 656816, 821020, 1642040, 3284080, 3981947, 7963894, 15927788, 19909735, 31855576, 39819470, 63711152, 79638940, 159277880, 318555760]

約数ペア:

[(1, 318555760), (2, 159277880), (4, 79638940), (5, 63711152), (8, 39819470), (10, 31855576), (16, 19909735), (20, 15927788), (40, 7963894), (80, 3981947), (97, 3284080), (194, 1642040), (388, 821020), (485, 656816), (776, 410510), (970, 328408), (1552, 205255), (1940, 164204), (3880, 82102), (7760, 41051)]