420657888

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{625979}}^1$

素因数の和:625999

約数の個数: 48

約数和(自身を含む): 1261975680

約数和(自身を除く): 841317792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 625979, 1251958, 1877937, 2503916, 3755874, 4381853, 5007832, 7511748, 8763706, 10015664, 13145559, 15023496, 17527412, 20031328, 26291118, 30046992, 35054824, 52582236, 60093984, 70109648, 105164472, 140219296, 210328944, 420657888]

約数ペア:

[(1, 420657888), (2, 210328944), (3, 140219296), (4, 105164472), (6, 70109648), (7, 60093984), (8, 52582236), (12, 35054824), (14, 30046992), (16, 26291118), (21, 20031328), (24, 17527412), (28, 15023496), (32, 13145559), (42, 10015664), (48, 8763706), (56, 7511748), (84, 5007832), (96, 4381853), (112, 3755874), (168, 2503916), (224, 1877937), (336, 1251958), (672, 625979)]