398220920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{585619}}^1$

素因数の和:585647

約数の個数: 32

約数和(自身を含む): 948704400

約数和(自身を除く): 550483480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 585619, 1171238, 2342476, 2928095, 4684952, 5856190, 9955523, 11712380, 19911046, 23424760, 39822092, 49777615, 79644184, 99555230, 199110460, 398220920]

約数ペア:

[(1, 398220920), (2, 199110460), (4, 99555230), (5, 79644184), (8, 49777615), (10, 39822092), (17, 23424760), (20, 19911046), (34, 11712380), (40, 9955523), (68, 5856190), (85, 4684952), (136, 2928095), (170, 2342476), (340, 1171238), (680, 585619)]