190854440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{681623}}^1$

素因数の和:681641

約数の個数: 32

約数和(自身を含む): 490769280

約数和(自身を除く): 299914840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 681623, 1363246, 2726492, 3408115, 4771361, 5452984, 6816230, 9542722, 13632460, 19085444, 23856805, 27264920, 38170888, 47713610, 95427220, 190854440]

約数ペア:

[(1, 190854440), (2, 95427220), (4, 47713610), (5, 38170888), (7, 27264920), (8, 23856805), (10, 19085444), (14, 13632460), (20, 9542722), (28, 6816230), (35, 5452984), (40, 4771361), (56, 3408115), (70, 2726492), (140, 1363246), (280, 681623)]