201101780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1877}}^1$

素因数の和:2384

約数の個数: 48

約数和(自身を含む): 461897856

約数和(自身を除く): 260796076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 487, 974, 1877, 1948, 2435, 3754, 4870, 5357, 7508, 9385, 9740, 10714, 18770, 20647, 21428, 26785, 37540, 41294, 53570, 82588, 103235, 107140, 206470, 412940, 914099, 1828198, 3656396, 4570495, 9140990, 10055089, 18281980, 20110178, 40220356, 50275445, 100550890, 201101780]

約数ペア:

[(1, 201101780), (2, 100550890), (4, 50275445), (5, 40220356), (10, 20110178), (11, 18281980), (20, 10055089), (22, 9140990), (44, 4570495), (55, 3656396), (110, 1828198), (220, 914099), (487, 412940), (974, 206470), (1877, 107140), (1948, 103235), (2435, 82588), (3754, 53570), (4870, 41294), (5357, 37540), (7508, 26785), (9385, 21428), (9740, 20647), (10714, 18770)]