29978130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 90316800

約数和(自身を除く): 60338670

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 79, 91, 105, 130, 139, 158, 182, 195, 210, 237, 273, 278, 390, 395, 417, 455, 474, 546, 553, 695, 790, 834, 910, 973, 1027, 1106, 1185, 1365, 1390, 1659, 1807, 1946, 2054, 2085, 2370, 2730, 2765, 2919, 3081, 3318, 3614, 4170, 4865, 5135, 5421, 5530, 5838, 6162, 7189, 8295, 9035, 9730, 10270, 10842, 10981, 12649, 14378, 14595, 15405, 16590, 18070, 21567, 21962, 25298, 27105, 29190, 30810, 32943, 35945, 37947, 43134, 54210, 54905, 63245, 65886, 71890, 75894, 76867, 107835, 109810, 126490, 142753, 153734, 164715, 189735, 215670, 230601, 285506, 329430, 379470, 384335, 428259, 461202, 713765, 768670, 856518, 999271, 1153005, 1427530, 1998542, 2141295, 2306010, 2997813, 4282590, 4996355, 5995626, 9992710, 14989065, 29978130]

約数ペア:

[(1, 29978130), (2, 14989065), (3, 9992710), (5, 5995626), (6, 4996355), (7, 4282590), (10, 2997813), (13, 2306010), (14, 2141295), (15, 1998542), (21, 1427530), (26, 1153005), (30, 999271), (35, 856518), (39, 768670), (42, 713765), (65, 461202), (70, 428259), (78, 384335), (79, 379470), (91, 329430), (105, 285506), (130, 230601), (139, 215670), (158, 189735), (182, 164715), (195, 153734), (210, 142753), (237, 126490), (273, 109810), (278, 107835), (390, 76867), (395, 75894), (417, 71890), (455, 65886), (474, 63245), (546, 54905), (553, 54210), (695, 43134), (790, 37947), (834, 35945), (910, 32943), (973, 30810), (1027, 29190), (1106, 27105), (1185, 25298), (1365, 21962), (1390, 21567), (1659, 18070), (1807, 16590), (1946, 15405), (2054, 14595), (2085, 14378), (2370, 12649), (2730, 10981), (2765, 10842), (2919, 10270), (3081, 9730), (3318, 9035), (3614, 8295), (4170, 7189), (4865, 6162), (5135, 5838), (5421, 5530)]