718742020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{971273}}^1$

素因数の和:971319

約数の個数: 24

約数和(自身を含む): 1550153304

約数和(自身を除く): 831411284

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 971273, 1942546, 3885092, 4856365, 9712730, 19425460, 35937101, 71874202, 143748404, 179685505, 359371010, 718742020]

約数ペア:

[(1, 718742020), (2, 359371010), (4, 179685505), (5, 143748404), (10, 71874202), (20, 35937101), (37, 19425460), (74, 9712730), (148, 4856365), (185, 3885092), (370, 1942546), (740, 971273)]