31346480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 80352000

約数和(自身を除く): 49005520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 179, 199, 220, 358, 398, 440, 716, 796, 880, 895, 995, 1432, 1592, 1790, 1969, 1990, 2189, 2864, 3184, 3580, 3938, 3980, 4378, 7160, 7876, 7960, 8756, 9845, 10945, 14320, 15752, 15920, 17512, 19690, 21890, 31504, 35024, 35621, 39380, 43780, 71242, 78760, 87560, 142484, 157520, 175120, 178105, 284968, 356210, 391831, 569936, 712420, 783662, 1424840, 1567324, 1959155, 2849680, 3134648, 3918310, 6269296, 7836620, 15673240, 31346480]

約数ペア:

[(1, 31346480), (2, 15673240), (4, 7836620), (5, 6269296), (8, 3918310), (10, 3134648), (11, 2849680), (16, 1959155), (20, 1567324), (22, 1424840), (40, 783662), (44, 712420), (55, 569936), (80, 391831), (88, 356210), (110, 284968), (176, 178105), (179, 175120), (199, 157520), (220, 142484), (358, 87560), (398, 78760), (440, 71242), (716, 43780), (796, 39380), (880, 35621), (895, 35024), (995, 31504), (1432, 21890), (1592, 19690), (1790, 17512), (1969, 15920), (1990, 15752), (2189, 14320), (2864, 10945), (3184, 9845), (3580, 8756), (3938, 7960), (3980, 7876), (4378, 7160)]