128792290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 263761920

約数和(自身を除く): 134969630

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 179, 211, 310, 341, 358, 422, 682, 895, 1055, 1705, 1790, 1969, 2110, 2321, 3410, 3938, 4642, 5549, 6541, 9845, 11098, 11605, 13082, 19690, 23210, 27745, 32705, 37769, 55490, 61039, 65410, 71951, 75538, 122078, 143902, 188845, 305195, 359755, 377690, 415459, 610390, 719510, 830918, 1170839, 2077295, 2341678, 4154590, 5854195, 11708390, 12879229, 25758458, 64396145, 128792290]

約数ペア:

[(1, 128792290), (2, 64396145), (5, 25758458), (10, 12879229), (11, 11708390), (22, 5854195), (31, 4154590), (55, 2341678), (62, 2077295), (110, 1170839), (155, 830918), (179, 719510), (211, 610390), (310, 415459), (341, 377690), (358, 359755), (422, 305195), (682, 188845), (895, 143902), (1055, 122078), (1705, 75538), (1790, 71951), (1969, 65410), (2110, 61039), (2321, 55490), (3410, 37769), (3938, 32705), (4642, 27745), (5549, 23210), (6541, 19690), (9845, 13082), (11098, 11605)]