201828220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39887}}^1$

素因数の和:39930

約数の個数: 48

約数和(自身を含む): 482485248

約数和(自身を除く): 280657028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 39887, 79774, 159548, 199435, 398870, 438757, 797740, 877514, 917401, 1755028, 1834802, 2193785, 3669604, 4387570, 4587005, 8775140, 9174010, 10091411, 18348020, 20182822, 40365644, 50457055, 100914110, 201828220]

約数ペア:

[(1, 201828220), (2, 100914110), (4, 50457055), (5, 40365644), (10, 20182822), (11, 18348020), (20, 10091411), (22, 9174010), (23, 8775140), (44, 4587005), (46, 4387570), (55, 3669604), (92, 2193785), (110, 1834802), (115, 1755028), (220, 917401), (230, 877514), (253, 797740), (460, 438757), (506, 398870), (1012, 199435), (1265, 159548), (2530, 79774), (5060, 39887)]