26881400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 78666840

約数和(自身を除く): 51785440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 130, 140, 175, 182, 196, 200, 211, 245, 260, 280, 325, 350, 364, 392, 422, 455, 490, 520, 637, 650, 700, 728, 844, 910, 980, 1055, 1225, 1274, 1300, 1400, 1477, 1688, 1820, 1960, 2110, 2275, 2450, 2548, 2600, 2743, 2954, 3185, 3640, 4220, 4550, 4900, 5096, 5275, 5486, 5908, 6370, 7385, 8440, 9100, 9800, 10339, 10550, 10972, 11816, 12740, 13715, 14770, 15925, 18200, 19201, 20678, 21100, 21944, 25480, 27430, 29540, 31850, 36925, 38402, 41356, 42200, 51695, 54860, 59080, 63700, 68575, 73850, 76804, 82712, 96005, 103390, 109720, 127400, 134407, 137150, 147700, 153608, 192010, 206780, 258475, 268814, 274300, 295400, 384020, 413560, 480025, 516950, 537628, 548600, 672035, 768040, 960050, 1033900, 1075256, 1344070, 1920100, 2067800, 2688140, 3360175, 3840200, 5376280, 6720350, 13440700, 26881400]

約数ペア:

[(1, 26881400), (2, 13440700), (4, 6720350), (5, 5376280), (7, 3840200), (8, 3360175), (10, 2688140), (13, 2067800), (14, 1920100), (20, 1344070), (25, 1075256), (26, 1033900), (28, 960050), (35, 768040), (40, 672035), (49, 548600), (50, 537628), (52, 516950), (56, 480025), (65, 413560), (70, 384020), (91, 295400), (98, 274300), (100, 268814), (104, 258475), (130, 206780), (140, 192010), (175, 153608), (182, 147700), (196, 137150), (200, 134407), (211, 127400), (245, 109720), (260, 103390), (280, 96005), (325, 82712), (350, 76804), (364, 73850), (392, 68575), (422, 63700), (455, 59080), (490, 54860), (520, 51695), (637, 42200), (650, 41356), (700, 38402), (728, 36925), (844, 31850), (910, 29540), (980, 27430), (1055, 25480), (1225, 21944), (1274, 21100), (1300, 20678), (1400, 19201), (1477, 18200), (1688, 15925), (1820, 14770), (1960, 13715), (2110, 12740), (2275, 11816), (2450, 10972), (2548, 10550), (2600, 10339), (2743, 9800), (2954, 9100), (3185, 8440), (3640, 7385), (4220, 6370), (4550, 5908), (4900, 5486), (5096, 5275)]