351036680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{80513}}^1$

素因数の和:80633

約数の個数: 32

約数和(自身を含む): 797088600

約数和(自身を除く): 446051920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 80513, 161026, 322052, 402565, 644104, 805130, 1610260, 3220520, 8775917, 17551834, 35103668, 43879585, 70207336, 87759170, 175518340, 351036680]

約数ペア:

[(1, 351036680), (2, 175518340), (4, 87759170), (5, 70207336), (8, 43879585), (10, 35103668), (20, 17551834), (40, 8775917), (109, 3220520), (218, 1610260), (436, 805130), (545, 644104), (872, 402565), (1090, 322052), (2180, 161026), (4360, 80513)]