30801400

素因数分解:

$2^3\times 5^2\times 7^3\times {\mathrm{449}}^1$

素因数の和:486

約数の個数: 96

約数和(自身を含む): 83700000

約数和(自身を除く): 52898600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 343, 350, 392, 449, 490, 686, 700, 898, 980, 1225, 1372, 1400, 1715, 1796, 1960, 2245, 2450, 2744, 3143, 3430, 3592, 4490, 4900, 6286, 6860, 8575, 8980, 9800, 11225, 12572, 13720, 15715, 17150, 17960, 22001, 22450, 25144, 31430, 34300, 44002, 44900, 62860, 68600, 78575, 88004, 89800, 110005, 125720, 154007, 157150, 176008, 220010, 308014, 314300, 440020, 550025, 616028, 628600, 770035, 880040, 1100050, 1232056, 1540070, 2200100, 3080140, 3850175, 4400200, 6160280, 7700350, 15400700, 30801400]

約数ペア:

[(1, 30801400), (2, 15400700), (4, 7700350), (5, 6160280), (7, 4400200), (8, 3850175), (10, 3080140), (14, 2200100), (20, 1540070), (25, 1232056), (28, 1100050), (35, 880040), (40, 770035), (49, 628600), (50, 616028), (56, 550025), (70, 440020), (98, 314300), (100, 308014), (140, 220010), (175, 176008), (196, 157150), (200, 154007), (245, 125720), (280, 110005), (343, 89800), (350, 88004), (392, 78575), (449, 68600), (490, 62860), (686, 44900), (700, 44002), (898, 34300), (980, 31430), (1225, 25144), (1372, 22450), (1400, 22001), (1715, 17960), (1796, 17150), (1960, 15715), (2245, 13720), (2450, 12572), (2744, 11225), (3143, 9800), (3430, 8980), (3592, 8575), (4490, 6860), (4900, 6286)]