54854982820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1\times {\mathrm{3221}}^1$

素因数の和:3829

約数の個数: 96

約数和(自身を含む): 126663264000

約数和(自身を除く): 71808281180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 389, 398, 778, 796, 995, 1556, 1945, 1990, 2189, 3221, 3890, 3980, 4279, 4378, 6442, 7780, 8558, 8756, 10945, 12884, 16105, 17116, 21395, 21890, 32210, 35431, 42790, 43780, 64420, 70862, 77411, 85580, 141724, 154822, 177155, 309644, 354310, 387055, 640979, 708620, 774110, 851521, 1252969, 1281958, 1548220, 1703042, 2505938, 2563916, 3204895, 3406084, 4257605, 5011876, 6264845, 6409790, 7050769, 8515210, 12529690, 12819580, 13782659, 14101538, 17030420, 25059380, 27565318, 28203076, 35253845, 55130636, 68913295, 70507690, 137826590, 141015380, 249340831, 275653180, 498681662, 997363324, 1246704155, 2493408310, 2742749141, 4986816620, 5485498282, 10970996564, 13713745705, 27427491410, 54854982820]

約数ペア:

[(1, 54854982820), (2, 27427491410), (4, 13713745705), (5, 10970996564), (10, 5485498282), (11, 4986816620), (20, 2742749141), (22, 2493408310), (44, 1246704155), (55, 997363324), (110, 498681662), (199, 275653180), (220, 249340831), (389, 141015380), (398, 137826590), (778, 70507690), (796, 68913295), (995, 55130636), (1556, 35253845), (1945, 28203076), (1990, 27565318), (2189, 25059380), (3221, 17030420), (3890, 14101538), (3980, 13782659), (4279, 12819580), (4378, 12529690), (6442, 8515210), (7780, 7050769), (8558, 6409790), (8756, 6264845), (10945, 5011876), (12884, 4257605), (16105, 3406084), (17116, 3204895), (21395, 2563916), (21890, 2505938), (32210, 1703042), (35431, 1548220), (42790, 1281958), (43780, 1252969), (64420, 851521), (70862, 774110), (77411, 708620), (85580, 640979), (141724, 387055), (154822, 354310), (177155, 309644)]