397480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 943200

約数和(自身を除く): 545720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 523, 760, 1046, 2092, 2615, 4184, 5230, 9937, 10460, 19874, 20920, 39748, 49685, 79496, 99370, 198740, 397480]

約数ペア:

[(1, 397480), (2, 198740), (4, 99370), (5, 79496), (8, 49685), (10, 39748), (19, 20920), (20, 19874), (38, 10460), (40, 9937), (76, 5230), (95, 4184), (152, 2615), (190, 2092), (380, 1046), (523, 760)]