2940020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 6607440

約数和(自身を除く): 3667420

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 137, 145, 148, 185, 274, 290, 370, 548, 580, 685, 740, 1073, 1370, 2146, 2740, 3973, 4292, 5069, 5365, 7946, 10138, 10730, 15892, 19865, 20276, 21460, 25345, 39730, 50690, 79460, 101380, 147001, 294002, 588004, 735005, 1470010, 2940020]

約数ペア:

[(1, 2940020), (2, 1470010), (4, 735005), (5, 588004), (10, 294002), (20, 147001), (29, 101380), (37, 79460), (58, 50690), (74, 39730), (116, 25345), (137, 21460), (145, 20276), (148, 19865), (185, 15892), (274, 10730), (290, 10138), (370, 7946), (548, 5365), (580, 5069), (685, 4292), (740, 3973), (1073, 2740), (1370, 2146)]