128510300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 295814400

約数和(自身を除く): 167304100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 239, 283, 380, 475, 478, 566, 950, 956, 1132, 1195, 1415, 1900, 2390, 2830, 4541, 4780, 5377, 5660, 5975, 7075, 9082, 10754, 11950, 14150, 18164, 21508, 22705, 23900, 26885, 28300, 45410, 53770, 67637, 90820, 107540, 113525, 134425, 135274, 227050, 268850, 270548, 338185, 454100, 537700, 676370, 1285103, 1352740, 1690925, 2570206, 3381850, 5140412, 6425515, 6763700, 12851030, 25702060, 32127575, 64255150, 128510300]

約数ペア:

[(1, 128510300), (2, 64255150), (4, 32127575), (5, 25702060), (10, 12851030), (19, 6763700), (20, 6425515), (25, 5140412), (38, 3381850), (50, 2570206), (76, 1690925), (95, 1352740), (100, 1285103), (190, 676370), (239, 537700), (283, 454100), (380, 338185), (475, 270548), (478, 268850), (566, 227050), (950, 135274), (956, 134425), (1132, 113525), (1195, 107540), (1415, 90820), (1900, 67637), (2390, 53770), (2830, 45410), (4541, 28300), (4780, 26885), (5377, 23900), (5660, 22705), (5975, 21508), (7075, 18164), (9082, 14150), (10754, 11950)]