99690580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{331}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 235430496

約数和(自身を除く): 135739916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 331, 370, 407, 662, 740, 814, 1324, 1369, 1628, 1655, 2035, 2738, 3310, 3641, 4070, 5476, 6620, 6845, 7282, 8140, 12247, 13690, 14564, 15059, 18205, 24494, 27380, 30118, 36410, 48988, 60236, 61235, 72820, 75295, 122470, 134717, 150590, 244940, 269434, 301180, 453139, 538868, 673585, 906278, 1347170, 1812556, 2265695, 2694340, 4531390, 4984529, 9062780, 9969058, 19938116, 24922645, 49845290, 99690580]

約数ペア:

[(1, 99690580), (2, 49845290), (4, 24922645), (5, 19938116), (10, 9969058), (11, 9062780), (20, 4984529), (22, 4531390), (37, 2694340), (44, 2265695), (55, 1812556), (74, 1347170), (110, 906278), (148, 673585), (185, 538868), (220, 453139), (331, 301180), (370, 269434), (407, 244940), (662, 150590), (740, 134717), (814, 122470), (1324, 75295), (1369, 72820), (1628, 61235), (1655, 60236), (2035, 48988), (2738, 36410), (3310, 30118), (3641, 27380), (4070, 24494), (5476, 18205), (6620, 15059), (6845, 14564), (7282, 13690), (8140, 12247)]