280968688

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:423

約数の個数: 160

約数和(自身を含む): 746952192

約数和(自身を除く): 465983504

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 53, 56, 77, 88, 91, 104, 106, 112, 143, 154, 176, 182, 208, 212, 286, 308, 331, 364, 371, 424, 572, 583, 616, 662, 689, 728, 742, 848, 1001, 1144, 1166, 1232, 1324, 1378, 1456, 1484, 2002, 2288, 2317, 2332, 2648, 2756, 2968, 3641, 4004, 4081, 4303, 4634, 4664, 4823, 5296, 5512, 5936, 7282, 7579, 8008, 8162, 8606, 9268, 9328, 9646, 11024, 14564, 15158, 16016, 16324, 17212, 17543, 18536, 19292, 25487, 29128, 30121, 30316, 32648, 34424, 35086, 37072, 38584, 47333, 50974, 53053, 58256, 60242, 60632, 65296, 68848, 70172, 77168, 94666, 101948, 106106, 120484, 121264, 122801, 140344, 189332, 192973, 203896, 212212, 228059, 240968, 245602, 280688, 331331, 378664, 385946, 407792, 424424, 456118, 481936, 491204, 662662, 757328, 771892, 848848, 912236, 982408, 1325324, 1350811, 1543784, 1596413, 1824472, 1964816, 2508649, 2650648, 2701622, 3087568, 3192826, 3648944, 5017298, 5301296, 5403244, 6385652, 10034596, 10806488, 12771304, 17560543, 20069192, 21612976, 25542608, 35121086, 40138384, 70242172, 140484344, 280968688]

約数ペア:

[(1, 280968688), (2, 140484344), (4, 70242172), (7, 40138384), (8, 35121086), (11, 25542608), (13, 21612976), (14, 20069192), (16, 17560543), (22, 12771304), (26, 10806488), (28, 10034596), (44, 6385652), (52, 5403244), (53, 5301296), (56, 5017298), (77, 3648944), (88, 3192826), (91, 3087568), (104, 2701622), (106, 2650648), (112, 2508649), (143, 1964816), (154, 1824472), (176, 1596413), (182, 1543784), (208, 1350811), (212, 1325324), (286, 982408), (308, 912236), (331, 848848), (364, 771892), (371, 757328), (424, 662662), (572, 491204), (583, 481936), (616, 456118), (662, 424424), (689, 407792), (728, 385946), (742, 378664), (848, 331331), (1001, 280688), (1144, 245602), (1166, 240968), (1232, 228059), (1324, 212212), (1378, 203896), (1456, 192973), (1484, 189332), (2002, 140344), (2288, 122801), (2317, 121264), (2332, 120484), (2648, 106106), (2756, 101948), (2968, 94666), (3641, 77168), (4004, 70172), (4081, 68848), (4303, 65296), (4634, 60632), (4664, 60242), (4823, 58256), (5296, 53053), (5512, 50974), (5936, 47333), (7282, 38584), (7579, 37072), (8008, 35086), (8162, 34424), (8606, 32648), (9268, 30316), (9328, 30121), (9646, 29128), (11024, 25487), (14564, 19292), (15158, 18536), (16016, 17543), (16324, 17212)]