320470990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{599}}^1\times {\mathrm{7643}}^1$

素因数の和:8256

約数の個数: 32

約数和(自身を含む): 660441600

約数和(自身を除く): 339970610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 599, 1198, 2995, 4193, 5990, 7643, 8386, 15286, 20965, 38215, 41930, 53501, 76430, 107002, 267505, 535010, 4578157, 9156314, 22890785, 32047099, 45781570, 64094198, 160235495, 320470990]

約数ペア:

[(1, 320470990), (2, 160235495), (5, 64094198), (7, 45781570), (10, 32047099), (14, 22890785), (35, 9156314), (70, 4578157), (599, 535010), (1198, 267505), (2995, 107002), (4193, 76430), (5990, 53501), (7643, 41930), (8386, 38215), (15286, 20965)]