86880724

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 185902080

約数和(自身を除く): 99021356

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 79, 98, 124, 158, 181, 196, 217, 316, 362, 434, 553, 724, 868, 1106, 1267, 1519, 2212, 2449, 2534, 3038, 3871, 4898, 5068, 5611, 6076, 7742, 8869, 9796, 11222, 14299, 15484, 17143, 17738, 22444, 28598, 34286, 35476, 39277, 57196, 68572, 78554, 100093, 120001, 157108, 200186, 240002, 274939, 400372, 443269, 480004, 549878, 700651, 886538, 1099756, 1401302, 1773076, 2802604, 3102883, 6205766, 12411532, 21720181, 43440362, 86880724]

約数ペア:

[(1, 86880724), (2, 43440362), (4, 21720181), (7, 12411532), (14, 6205766), (28, 3102883), (31, 2802604), (49, 1773076), (62, 1401302), (79, 1099756), (98, 886538), (124, 700651), (158, 549878), (181, 480004), (196, 443269), (217, 400372), (316, 274939), (362, 240002), (434, 200186), (553, 157108), (724, 120001), (868, 100093), (1106, 78554), (1267, 68572), (1519, 57196), (2212, 39277), (2449, 35476), (2534, 34286), (3038, 28598), (3871, 22444), (4898, 17738), (5068, 17143), (5611, 15484), (6076, 14299), (7742, 11222), (8869, 9796)]