3888940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1607}}^1$

素因数の和:1638

約数の個数: 36

約数和(自身を含む): 8982288

約数和(自身を除く): 5093348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1607, 2420, 3214, 6428, 8035, 16070, 17677, 32140, 35354, 70708, 88385, 176770, 194447, 353540, 388894, 777788, 972235, 1944470, 3888940]

約数ペア:

[(1, 3888940), (2, 1944470), (4, 972235), (5, 777788), (10, 388894), (11, 353540), (20, 194447), (22, 176770), (44, 88385), (55, 70708), (110, 35354), (121, 32140), (220, 17677), (242, 16070), (484, 8035), (605, 6428), (1210, 3214), (1607, 2420)]