309075650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{463}}^1$

素因数の和:580

約数の個数: 72

約数和(自身を含む): 631745280

約数和(自身を除く): 322669630

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 169, 325, 338, 395, 463, 650, 790, 845, 926, 1027, 1690, 1975, 2054, 2315, 3950, 4225, 4630, 5135, 6019, 8450, 10270, 11575, 12038, 13351, 23150, 25675, 26702, 30095, 36577, 51350, 60190, 66755, 73154, 78247, 133510, 150475, 156494, 182885, 300950, 333775, 365770, 391235, 475501, 667550, 782470, 914425, 951002, 1828850, 1956175, 2377505, 3912350, 4755010, 6181513, 11887525, 12363026, 23775050, 30907565, 61815130, 154537825, 309075650]

約数ペア:

[(1, 309075650), (2, 154537825), (5, 61815130), (10, 30907565), (13, 23775050), (25, 12363026), (26, 11887525), (50, 6181513), (65, 4755010), (79, 3912350), (130, 2377505), (158, 1956175), (169, 1828850), (325, 951002), (338, 914425), (395, 782470), (463, 667550), (650, 475501), (790, 391235), (845, 365770), (926, 333775), (1027, 300950), (1690, 182885), (1975, 156494), (2054, 150475), (2315, 133510), (3950, 78247), (4225, 73154), (4630, 66755), (5135, 60190), (6019, 51350), (8450, 36577), (10270, 30095), (11575, 26702), (12038, 25675), (13351, 23150)]