220121916

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 216

約数和(自身を含む): 678612816

約数和(自身を除く): 458490900

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 19, 21, 28, 34, 38, 42, 49, 51, 57, 61, 68, 76, 84, 98, 102, 114, 119, 122, 133, 147, 183, 196, 204, 228, 238, 244, 266, 294, 323, 357, 361, 366, 399, 427, 476, 532, 588, 646, 714, 722, 732, 798, 833, 854, 931, 969, 1037, 1083, 1159, 1281, 1292, 1428, 1444, 1596, 1666, 1708, 1862, 1938, 2074, 2166, 2261, 2318, 2499, 2527, 2562, 2793, 2989, 3111, 3332, 3477, 3724, 3876, 4148, 4332, 4522, 4636, 4998, 5054, 5124, 5586, 5978, 6137, 6222, 6783, 6954, 7259, 7581, 8113, 8967, 9044, 9996, 10108, 11172, 11956, 12274, 12444, 13566, 13908, 14518, 15162, 15827, 16226, 17689, 17934, 18411, 19703, 21777, 22021, 24339, 24548, 27132, 29036, 30324, 31654, 32452, 35378, 35868, 36822, 39406, 42959, 43554, 44042, 47481, 48678, 50813, 53067, 56791, 59109, 63308, 66063, 70756, 73644, 78812, 85918, 87108, 88084, 94962, 97356, 101626, 106134, 113582, 118218, 128877, 132126, 137921, 152439, 154147, 170373, 171836, 189924, 203252, 212268, 227164, 236436, 257754, 264252, 275842, 300713, 304878, 308294, 340746, 374357, 413763, 462441, 515508, 551684, 601426, 609756, 616588, 681492, 748714, 827526, 902139, 924882, 965447, 1079029, 1123071, 1202852, 1497428, 1655052, 1804278, 1849764, 1930894, 2158058, 2246142, 2620499, 2896341, 3237087, 3608556, 3861788, 4316116, 4492284, 5240998, 5792682, 6474174, 7861497, 10481996, 11585364, 12948348, 15722994, 18343493, 31445988, 36686986, 55030479, 73373972, 110060958, 220121916]

約数ペア:

[(1, 220121916), (2, 110060958), (3, 73373972), (4, 55030479), (6, 36686986), (7, 31445988), (12, 18343493), (14, 15722994), (17, 12948348), (19, 11585364), (21, 10481996), (28, 7861497), (34, 6474174), (38, 5792682), (42, 5240998), (49, 4492284), (51, 4316116), (57, 3861788), (61, 3608556), (68, 3237087), (76, 2896341), (84, 2620499), (98, 2246142), (102, 2158058), (114, 1930894), (119, 1849764), (122, 1804278), (133, 1655052), (147, 1497428), (183, 1202852), (196, 1123071), (204, 1079029), (228, 965447), (238, 924882), (244, 902139), (266, 827526), (294, 748714), (323, 681492), (357, 616588), (361, 609756), (366, 601426), (399, 551684), (427, 515508), (476, 462441), (532, 413763), (588, 374357), (646, 340746), (714, 308294), (722, 304878), (732, 300713), (798, 275842), (833, 264252), (854, 257754), (931, 236436), (969, 227164), (1037, 212268), (1083, 203252), (1159, 189924), (1281, 171836), (1292, 170373), (1428, 154147), (1444, 152439), (1596, 137921), (1666, 132126), (1708, 128877), (1862, 118218), (1938, 113582), (2074, 106134), (2166, 101626), (2261, 97356), (2318, 94962), (2499, 88084), (2527, 87108), (2562, 85918), (2793, 78812), (2989, 73644), (3111, 70756), (3332, 66063), (3477, 63308), (3724, 59109), (3876, 56791), (4148, 53067), (4332, 50813), (4522, 48678), (4636, 47481), (4998, 44042), (5054, 43554), (5124, 42959), (5586, 39406), (5978, 36822), (6137, 35868), (6222, 35378), (6783, 32452), (6954, 31654), (7259, 30324), (7581, 29036), (8113, 27132), (8967, 24548), (9044, 24339), (9996, 22021), (10108, 21777), (11172, 19703), (11956, 18411), (12274, 17934), (12444, 17689), (13566, 16226), (13908, 15827), (14518, 15162)]