221725728

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{601}}^1$

素因数の和:688

約数の個数: 192

約数和(自身を含む): 752451840

約数和(自身を除く): 530726112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 61, 63, 72, 84, 96, 108, 112, 122, 126, 144, 168, 183, 189, 216, 224, 244, 252, 288, 336, 366, 378, 427, 432, 488, 504, 549, 601, 672, 732, 756, 854, 864, 976, 1008, 1098, 1202, 1281, 1464, 1512, 1647, 1708, 1803, 1952, 2016, 2196, 2404, 2562, 2928, 3024, 3294, 3416, 3606, 3843, 4207, 4392, 4808, 5124, 5409, 5856, 6048, 6588, 6832, 7212, 7686, 8414, 8784, 9616, 10248, 10818, 11529, 12621, 13176, 13664, 14424, 15372, 16227, 16828, 17568, 19232, 20496, 21636, 23058, 25242, 26352, 28848, 30744, 32454, 33656, 36661, 37863, 40992, 43272, 46116, 50484, 52704, 57696, 61488, 64908, 67312, 73322, 75726, 86544, 92232, 100968, 109983, 113589, 122976, 129816, 134624, 146644, 151452, 173088, 184464, 201936, 219966, 227178, 256627, 259632, 293288, 302904, 329949, 368928, 403872, 439932, 454356, 513254, 519264, 586576, 605808, 659898, 769881, 879864, 908712, 989847, 1026508, 1173152, 1211616, 1319796, 1539762, 1759728, 1817424, 1979694, 2053016, 2309643, 2639592, 3079524, 3519456, 3634848, 3959388, 4106032, 4619286, 5279184, 6159048, 6928929, 7918776, 8212064, 9238572, 10558368, 12318096, 13857858, 15837552, 18477144, 24636192, 27715716, 31675104, 36954288, 55431432, 73908576, 110862864, 221725728]

約数ペア:

[(1, 221725728), (2, 110862864), (3, 73908576), (4, 55431432), (6, 36954288), (7, 31675104), (8, 27715716), (9, 24636192), (12, 18477144), (14, 15837552), (16, 13857858), (18, 12318096), (21, 10558368), (24, 9238572), (27, 8212064), (28, 7918776), (32, 6928929), (36, 6159048), (42, 5279184), (48, 4619286), (54, 4106032), (56, 3959388), (61, 3634848), (63, 3519456), (72, 3079524), (84, 2639592), (96, 2309643), (108, 2053016), (112, 1979694), (122, 1817424), (126, 1759728), (144, 1539762), (168, 1319796), (183, 1211616), (189, 1173152), (216, 1026508), (224, 989847), (244, 908712), (252, 879864), (288, 769881), (336, 659898), (366, 605808), (378, 586576), (427, 519264), (432, 513254), (488, 454356), (504, 439932), (549, 403872), (601, 368928), (672, 329949), (732, 302904), (756, 293288), (854, 259632), (864, 256627), (976, 227178), (1008, 219966), (1098, 201936), (1202, 184464), (1281, 173088), (1464, 151452), (1512, 146644), (1647, 134624), (1708, 129816), (1803, 122976), (1952, 113589), (2016, 109983), (2196, 100968), (2404, 92232), (2562, 86544), (2928, 75726), (3024, 73322), (3294, 67312), (3416, 64908), (3606, 61488), (3843, 57696), (4207, 52704), (4392, 50484), (4808, 46116), (5124, 43272), (5409, 40992), (5856, 37863), (6048, 36661), (6588, 33656), (6832, 32454), (7212, 30744), (7686, 28848), (8414, 26352), (8784, 25242), (9616, 23058), (10248, 21636), (10818, 20496), (11529, 19232), (12621, 17568), (13176, 16828), (13664, 16227), (14424, 15372)]