28150340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 61446000

約数和(自身を除く): 33295660

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 349, 370, 436, 545, 698, 740, 1090, 1396, 1745, 2180, 3490, 4033, 6980, 8066, 12913, 16132, 20165, 25826, 38041, 40330, 51652, 64565, 76082, 80660, 129130, 152164, 190205, 258260, 380410, 760820, 1407517, 2815034, 5630068, 7037585, 14075170, 28150340]

約数ペア:

[(1, 28150340), (2, 14075170), (4, 7037585), (5, 5630068), (10, 2815034), (20, 1407517), (37, 760820), (74, 380410), (109, 258260), (148, 190205), (185, 152164), (218, 129130), (349, 80660), (370, 76082), (436, 64565), (545, 51652), (698, 40330), (740, 38041), (1090, 25826), (1396, 20165), (1745, 16132), (2180, 12913), (3490, 8066), (4033, 6980)]