71245160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{254447}}^1$

素因数の和:254465

約数の個数: 32

約数和(自身を含む): 183202560

約数和(自身を除く): 111957400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 254447, 508894, 1017788, 1272235, 1781129, 2035576, 2544470, 3562258, 5088940, 7124516, 8905645, 10177880, 14249032, 17811290, 35622580, 71245160]

約数ペア:

[(1, 71245160), (2, 35622580), (4, 17811290), (5, 14249032), (7, 10177880), (8, 8905645), (10, 7124516), (14, 5088940), (20, 3562258), (28, 2544470), (35, 2035576), (40, 1781129), (56, 1272235), (70, 1017788), (140, 508894), (280, 254447)]