78366200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 200880000

約数和(自身を除く): 122513800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 179, 199, 200, 220, 275, 358, 398, 440, 550, 716, 796, 895, 995, 1100, 1432, 1592, 1790, 1969, 1990, 2189, 2200, 3580, 3938, 3980, 4378, 4475, 4975, 7160, 7876, 7960, 8756, 8950, 9845, 9950, 10945, 15752, 17512, 17900, 19690, 19900, 21890, 35621, 35800, 39380, 39800, 43780, 49225, 54725, 71242, 78760, 87560, 98450, 109450, 142484, 178105, 196900, 218900, 284968, 356210, 391831, 393800, 437800, 712420, 783662, 890525, 1424840, 1567324, 1781050, 1959155, 3134648, 3562100, 3918310, 7124200, 7836620, 9795775, 15673240, 19591550, 39183100, 78366200]

約数ペア:

[(1, 78366200), (2, 39183100), (4, 19591550), (5, 15673240), (8, 9795775), (10, 7836620), (11, 7124200), (20, 3918310), (22, 3562100), (25, 3134648), (40, 1959155), (44, 1781050), (50, 1567324), (55, 1424840), (88, 890525), (100, 783662), (110, 712420), (179, 437800), (199, 393800), (200, 391831), (220, 356210), (275, 284968), (358, 218900), (398, 196900), (440, 178105), (550, 142484), (716, 109450), (796, 98450), (895, 87560), (995, 78760), (1100, 71242), (1432, 54725), (1592, 49225), (1790, 43780), (1969, 39800), (1990, 39380), (2189, 35800), (2200, 35621), (3580, 21890), (3938, 19900), (3980, 19690), (4378, 17900), (4475, 17512), (4975, 15752), (7160, 10945), (7876, 9950), (7960, 9845), (8756, 8950)]