105619180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 228501504

約数和(自身を除く): 122882324

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 191, 215, 382, 430, 643, 764, 860, 955, 1286, 1910, 2572, 3215, 3820, 6430, 8213, 12860, 16426, 27649, 32852, 41065, 55298, 82130, 110596, 122813, 138245, 164260, 245626, 276490, 491252, 552980, 614065, 1228130, 2456260, 5280959, 10561918, 21123836, 26404795, 52809590, 105619180]

約数ペア:

[(1, 105619180), (2, 52809590), (4, 26404795), (5, 21123836), (10, 10561918), (20, 5280959), (43, 2456260), (86, 1228130), (172, 614065), (191, 552980), (215, 491252), (382, 276490), (430, 245626), (643, 164260), (764, 138245), (860, 122813), (955, 110596), (1286, 82130), (1910, 55298), (2572, 41065), (3215, 32852), (3820, 27649), (6430, 16426), (8213, 12860)]