212010984

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 619681920

約数和(自身を除く): 407670936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 43, 47, 62, 72, 86, 93, 94, 124, 129, 141, 172, 186, 188, 248, 258, 279, 282, 344, 372, 376, 387, 423, 516, 558, 564, 744, 774, 846, 1032, 1116, 1128, 1333, 1457, 1548, 1692, 2021, 2209, 2232, 2666, 2914, 3096, 3384, 3999, 4042, 4371, 4418, 5332, 5828, 6063, 6627, 7998, 8084, 8742, 8836, 10664, 11656, 11997, 12126, 13113, 13254, 15996, 16168, 17484, 17672, 18189, 19881, 23994, 24252, 26226, 26508, 31992, 34968, 36378, 39762, 47988, 48504, 52452, 53016, 62651, 68479, 72756, 79524, 94987, 95976, 104904, 125302, 136958, 145512, 159048, 187953, 189974, 205437, 250604, 273916, 284961, 375906, 379948, 410874, 501208, 547832, 563859, 569922, 616311, 751812, 759896, 821748, 854883, 1127718, 1139844, 1232622, 1503624, 1643496, 1709766, 2255436, 2279688, 2465244, 2944597, 3419532, 4510872, 4930488, 5889194, 6839064, 8833791, 11778388, 17667582, 23556776, 26501373, 35335164, 53002746, 70670328, 106005492, 212010984]

約数ペア:

[(1, 212010984), (2, 106005492), (3, 70670328), (4, 53002746), (6, 35335164), (8, 26501373), (9, 23556776), (12, 17667582), (18, 11778388), (24, 8833791), (31, 6839064), (36, 5889194), (43, 4930488), (47, 4510872), (62, 3419532), (72, 2944597), (86, 2465244), (93, 2279688), (94, 2255436), (124, 1709766), (129, 1643496), (141, 1503624), (172, 1232622), (186, 1139844), (188, 1127718), (248, 854883), (258, 821748), (279, 759896), (282, 751812), (344, 616311), (372, 569922), (376, 563859), (387, 547832), (423, 501208), (516, 410874), (558, 379948), (564, 375906), (744, 284961), (774, 273916), (846, 250604), (1032, 205437), (1116, 189974), (1128, 187953), (1333, 159048), (1457, 145512), (1548, 136958), (1692, 125302), (2021, 104904), (2209, 95976), (2232, 94987), (2666, 79524), (2914, 72756), (3096, 68479), (3384, 62651), (3999, 53016), (4042, 52452), (4371, 48504), (4418, 47988), (5332, 39762), (5828, 36378), (6063, 34968), (6627, 31992), (7998, 26508), (8084, 26226), (8742, 24252), (8836, 23994), (10664, 19881), (11656, 18189), (11997, 17672), (12126, 17484), (13113, 16168), (13254, 15996)]