2770420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1951}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 5902848

約数和(自身を除く): 3132428

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1951, 3902, 7804, 9755, 19510, 39020, 138521, 277042, 554084, 692605, 1385210, 2770420]

約数ペア:

[(1, 2770420), (2, 1385210), (4, 692605), (5, 554084), (10, 277042), (20, 138521), (71, 39020), (142, 19510), (284, 9755), (355, 7804), (710, 3902), (1420, 1951)]