1389704004

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{419}}^1$

素因数の和:834

約数の個数: 144

約数和(自身を含む): 4002398400

約数和(自身を除く): 2612694396

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 373, 419, 468, 494, 684, 741, 746, 838, 988, 1119, 1257, 1482, 1492, 1676, 2223, 2238, 2514, 2964, 3357, 3771, 4446, 4476, 4849, 5028, 5447, 6714, 7087, 7542, 7961, 8892, 9698, 10894, 13428, 14174, 14547, 15084, 15922, 16341, 19396, 21261, 21788, 23883, 28348, 29094, 31844, 32682, 42522, 43641, 47766, 49023, 58188, 63783, 65364, 71649, 85044, 87282, 92131, 95532, 98046, 103493, 127566, 143298, 156287, 174564, 184262, 196092, 206986, 255132, 276393, 286596, 310479, 312574, 368524, 413972, 468861, 552786, 620958, 625148, 829179, 931437, 937722, 1105572, 1241916, 1406583, 1658358, 1862874, 1875444, 2031731, 2813166, 2969453, 3316716, 3725748, 4063462, 5626332, 5938906, 6095193, 8126924, 8908359, 11877812, 12190386, 17816718, 18285579, 24380772, 26725077, 35633436, 36571158, 38602889, 53450154, 73142316, 77205778, 106900308, 115808667, 154411556, 231617334, 347426001, 463234668, 694852002, 1389704004]

約数ペア:

[(1, 1389704004), (2, 694852002), (3, 463234668), (4, 347426001), (6, 231617334), (9, 154411556), (12, 115808667), (13, 106900308), (18, 77205778), (19, 73142316), (26, 53450154), (36, 38602889), (38, 36571158), (39, 35633436), (52, 26725077), (57, 24380772), (76, 18285579), (78, 17816718), (114, 12190386), (117, 11877812), (156, 8908359), (171, 8126924), (228, 6095193), (234, 5938906), (247, 5626332), (342, 4063462), (373, 3725748), (419, 3316716), (468, 2969453), (494, 2813166), (684, 2031731), (741, 1875444), (746, 1862874), (838, 1658358), (988, 1406583), (1119, 1241916), (1257, 1105572), (1482, 937722), (1492, 931437), (1676, 829179), (2223, 625148), (2238, 620958), (2514, 552786), (2964, 468861), (3357, 413972), (3771, 368524), (4446, 312574), (4476, 310479), (4849, 286596), (5028, 276393), (5447, 255132), (6714, 206986), (7087, 196092), (7542, 184262), (7961, 174564), (8892, 156287), (9698, 143298), (10894, 127566), (13428, 103493), (14174, 98046), (14547, 95532), (15084, 92131), (15922, 87282), (16341, 85044), (19396, 71649), (21261, 65364), (21788, 63783), (23883, 58188), (28348, 49023), (29094, 47766), (31844, 43641), (32682, 42522)]