90589180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17903}}^1$

素因数の和:17946

約数の個数: 48

約数和(自身を含む): 216566784

約数和(自身を除く): 125977604

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, 17903, 35806, 71612, 89515, 179030, 196933, 358060, 393866, 411769, 787732, 823538, 984665, 1647076, 1969330, 2058845, 3938660, 4117690, 4529459, 8235380, 9058918, 18117836, 22647295, 45294590, 90589180]

約数ペア:

[(1, 90589180), (2, 45294590), (4, 22647295), (5, 18117836), (10, 9058918), (11, 8235380), (20, 4529459), (22, 4117690), (23, 3938660), (44, 2058845), (46, 1969330), (55, 1647076), (92, 984665), (110, 823538), (115, 787732), (220, 411769), (230, 393866), (253, 358060), (460, 196933), (506, 179030), (1012, 89515), (1265, 71612), (2530, 35806), (5060, 17903)]