212414015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 309657600

約数和(自身を除く): 97243585

約数列:

[1, 5, 11, 19, 31, 55, 79, 83, 95, 155, 209, 341, 395, 415, 589, 869, 913, 1045, 1501, 1577, 1705, 2449, 2573, 2945, 4345, 4565, 6479, 6557, 7505, 7885, 12245, 12865, 16511, 17347, 26939, 28303, 32395, 32785, 46531, 48887, 72127, 82555, 86735, 124583, 134695, 141515, 203267, 232655, 244435, 360635, 511841, 537757, 622915, 1016335, 1370413, 2235937, 2559205, 2688785, 3862073, 6852065, 11179685, 19310365, 42482803, 212414015]

約数ペア:

[(1, 212414015), (5, 42482803), (11, 19310365), (19, 11179685), (31, 6852065), (55, 3862073), (79, 2688785), (83, 2559205), (95, 2235937), (155, 1370413), (209, 1016335), (341, 622915), (395, 537757), (415, 511841), (589, 360635), (869, 244435), (913, 232655), (1045, 203267), (1501, 141515), (1577, 134695), (1705, 124583), (2449, 86735), (2573, 82555), (2945, 72127), (4345, 48887), (4565, 46531), (6479, 32785), (6557, 32395), (7505, 28303), (7885, 26939), (12245, 17347), (12865, 16511)]