4047900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 11915904

約数和(自身を除く): 7868004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 103, 131, 150, 206, 262, 300, 309, 393, 412, 515, 524, 618, 655, 786, 1030, 1236, 1310, 1545, 1572, 1965, 2060, 2575, 2620, 3090, 3275, 3930, 5150, 6180, 6550, 7725, 7860, 9825, 10300, 13100, 13493, 15450, 19650, 26986, 30900, 39300, 40479, 53972, 67465, 80958, 134930, 161916, 202395, 269860, 337325, 404790, 674650, 809580, 1011975, 1349300, 2023950, 4047900]

約数ペア:

[(1, 4047900), (2, 2023950), (3, 1349300), (4, 1011975), (5, 809580), (6, 674650), (10, 404790), (12, 337325), (15, 269860), (20, 202395), (25, 161916), (30, 134930), (50, 80958), (60, 67465), (75, 53972), (100, 40479), (103, 39300), (131, 30900), (150, 26986), (206, 19650), (262, 15450), (300, 13493), (309, 13100), (393, 10300), (412, 9825), (515, 7860), (524, 7725), (618, 6550), (655, 6180), (786, 5150), (1030, 3930), (1236, 3275), (1310, 3090), (1545, 2620), (1572, 2575), (1965, 2060)]