1028702920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3673939}}^1$

素因数の和:3673957

約数の個数: 32

約数和(自身を含む): 2645236800

約数和(自身を除く): 1616533880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3673939, 7347878, 14695756, 18369695, 25717573, 29391512, 36739390, 51435146, 73478780, 102870292, 128587865, 146957560, 205740584, 257175730, 514351460, 1028702920]

約数ペア:

[(1, 1028702920), (2, 514351460), (4, 257175730), (5, 205740584), (7, 146957560), (8, 128587865), (10, 102870292), (14, 73478780), (20, 51435146), (28, 36739390), (35, 29391512), (40, 25717573), (56, 18369695), (70, 14695756), (140, 7347878), (280, 3673939)]