317813960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193789}}^1$

素因数の和:193841

約数の個数: 32

約数和(自身を含む): 732526200

約数和(自身を除く): 414712240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 193789, 387578, 775156, 968945, 1550312, 1937890, 3875780, 7751560, 7945349, 15890698, 31781396, 39726745, 63562792, 79453490, 158906980, 317813960]

約数ペア:

[(1, 317813960), (2, 158906980), (4, 79453490), (5, 63562792), (8, 39726745), (10, 31781396), (20, 15890698), (40, 7945349), (41, 7751560), (82, 3875780), (164, 1937890), (205, 1550312), (328, 968945), (410, 775156), (820, 387578), (1640, 193789)]