31017700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:701

約数の個数: 72

約数和(自身を含む): 78106112

約数和(自身を除く): 47088412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 73, 100, 140, 146, 175, 292, 350, 365, 511, 607, 700, 730, 1022, 1214, 1460, 1825, 2044, 2428, 2555, 3035, 3650, 4249, 5110, 6070, 7300, 8498, 10220, 12140, 12775, 15175, 16996, 21245, 25550, 30350, 42490, 44311, 51100, 60700, 84980, 88622, 106225, 177244, 212450, 221555, 310177, 424900, 443110, 620354, 886220, 1107775, 1240708, 1550885, 2215550, 3101770, 4431100, 6203540, 7754425, 15508850, 31017700]

約数ペア:

[(1, 31017700), (2, 15508850), (4, 7754425), (5, 6203540), (7, 4431100), (10, 3101770), (14, 2215550), (20, 1550885), (25, 1240708), (28, 1107775), (35, 886220), (50, 620354), (70, 443110), (73, 424900), (100, 310177), (140, 221555), (146, 212450), (175, 177244), (292, 106225), (350, 88622), (365, 84980), (511, 60700), (607, 51100), (700, 44311), (730, 42490), (1022, 30350), (1214, 25550), (1460, 21245), (1825, 16996), (2044, 15175), (2428, 12775), (2555, 12140), (3035, 10220), (3650, 8498), (4249, 7300), (5110, 6070)]