293841520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{811}}^1$

素因数の和:1478

約数の個数: 80

約数和(自身を含む): 782949888

約数和(自身を除く): 489108368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 647, 811, 1294, 1622, 2588, 3235, 3244, 4055, 4529, 5176, 5677, 6470, 6488, 8110, 9058, 10352, 11354, 12940, 12976, 16220, 18116, 22645, 22708, 25880, 28385, 32440, 36232, 45290, 45416, 51760, 56770, 64880, 72464, 90580, 90832, 113540, 181160, 227080, 362320, 454160, 524717, 1049434, 2098868, 2623585, 3673019, 4197736, 5247170, 7346038, 8395472, 10494340, 14692076, 18365095, 20988680, 29384152, 36730190, 41977360, 58768304, 73460380, 146920760, 293841520]

約数ペア:

[(1, 293841520), (2, 146920760), (4, 73460380), (5, 58768304), (7, 41977360), (8, 36730190), (10, 29384152), (14, 20988680), (16, 18365095), (20, 14692076), (28, 10494340), (35, 8395472), (40, 7346038), (56, 5247170), (70, 4197736), (80, 3673019), (112, 2623585), (140, 2098868), (280, 1049434), (560, 524717), (647, 454160), (811, 362320), (1294, 227080), (1622, 181160), (2588, 113540), (3235, 90832), (3244, 90580), (4055, 72464), (4529, 64880), (5176, 56770), (5677, 51760), (6470, 45416), (6488, 45290), (8110, 36232), (9058, 32440), (10352, 28385), (11354, 25880), (12940, 22708), (12976, 22645), (16220, 18116)]