721000504

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:633

約数の個数: 96

約数和(自身を含む): 1653091200

約数和(自身を除く): 932090696

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 211, 322, 379, 392, 422, 644, 758, 844, 1127, 1288, 1477, 1516, 1688, 2254, 2653, 2954, 3032, 4508, 4853, 5306, 5908, 8717, 9016, 9706, 10339, 10612, 11816, 17434, 18571, 19412, 20678, 21224, 33971, 34868, 37142, 38824, 41356, 61019, 67942, 69736, 74284, 79969, 82712, 122038, 135884, 148568, 159938, 237797, 244076, 271768, 319876, 427133, 475594, 488152, 559783, 639752, 854266, 951188, 1119566, 1708532, 1839287, 1902376, 2239132, 3417064, 3678574, 3918481, 4478264, 7357148, 7836962, 12875009, 14714296, 15673924, 25750018, 31347848, 51500036, 90125063, 103000072, 180250126, 360500252, 721000504]

約数ペア:

[(1, 721000504), (2, 360500252), (4, 180250126), (7, 103000072), (8, 90125063), (14, 51500036), (23, 31347848), (28, 25750018), (46, 15673924), (49, 14714296), (56, 12875009), (92, 7836962), (98, 7357148), (161, 4478264), (184, 3918481), (196, 3678574), (211, 3417064), (322, 2239132), (379, 1902376), (392, 1839287), (422, 1708532), (644, 1119566), (758, 951188), (844, 854266), (1127, 639752), (1288, 559783), (1477, 488152), (1516, 475594), (1688, 427133), (2254, 319876), (2653, 271768), (2954, 244076), (3032, 237797), (4508, 159938), (4853, 148568), (5306, 135884), (5908, 122038), (8717, 82712), (9016, 79969), (9706, 74284), (10339, 69736), (10612, 67942), (11816, 61019), (17434, 41356), (18571, 38824), (19412, 37142), (20678, 34868), (21224, 33971)]