400750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{229}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 861120

約数和(自身を除く): 460370

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 229, 250, 350, 458, 875, 1145, 1603, 1750, 2290, 3206, 5725, 8015, 11450, 16030, 28625, 40075, 57250, 80150, 200375, 400750]

約数ペア:

[(1, 400750), (2, 200375), (5, 80150), (7, 57250), (10, 40075), (14, 28625), (25, 16030), (35, 11450), (50, 8015), (70, 5725), (125, 3206), (175, 2290), (229, 1750), (250, 1603), (350, 1145), (458, 875)]