259968280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1049

約数の個数: 128

約数和(自身を含む): 702535680

約数和(自身を除く): 442567400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 47, 52, 55, 65, 88, 94, 104, 110, 130, 143, 188, 220, 235, 260, 286, 376, 440, 470, 517, 520, 572, 611, 715, 940, 967, 1034, 1144, 1222, 1430, 1880, 1934, 2068, 2444, 2585, 2860, 3055, 3868, 4136, 4835, 4888, 5170, 5720, 6110, 6721, 7736, 9670, 10340, 10637, 12220, 12571, 13442, 19340, 20680, 21274, 24440, 25142, 26884, 33605, 38680, 42548, 45449, 50284, 53185, 53768, 62855, 67210, 85096, 90898, 100568, 106370, 125710, 134420, 138281, 181796, 212740, 227245, 251420, 268840, 276562, 363592, 425480, 454490, 499939, 502840, 553124, 590837, 691405, 908980, 999878, 1106248, 1181674, 1382810, 1817960, 1999756, 2363348, 2499695, 2765620, 2954185, 3999512, 4726696, 4999390, 5531240, 5908370, 6499207, 9998780, 11816740, 12998414, 19997560, 23633480, 25996828, 32496035, 51993656, 64992070, 129984140, 259968280]

約数ペア:

[(1, 259968280), (2, 129984140), (4, 64992070), (5, 51993656), (8, 32496035), (10, 25996828), (11, 23633480), (13, 19997560), (20, 12998414), (22, 11816740), (26, 9998780), (40, 6499207), (44, 5908370), (47, 5531240), (52, 4999390), (55, 4726696), (65, 3999512), (88, 2954185), (94, 2765620), (104, 2499695), (110, 2363348), (130, 1999756), (143, 1817960), (188, 1382810), (220, 1181674), (235, 1106248), (260, 999878), (286, 908980), (376, 691405), (440, 590837), (470, 553124), (517, 502840), (520, 499939), (572, 454490), (611, 425480), (715, 363592), (940, 276562), (967, 268840), (1034, 251420), (1144, 227245), (1222, 212740), (1430, 181796), (1880, 138281), (1934, 134420), (2068, 125710), (2444, 106370), (2585, 100568), (2860, 90898), (3055, 85096), (3868, 67210), (4136, 62855), (4835, 53768), (4888, 53185), (5170, 50284), (5720, 45449), (6110, 42548), (6721, 38680), (7736, 33605), (9670, 26884), (10340, 25142), (10637, 24440), (12220, 21274), (12571, 20680), (13442, 19340)]