387380960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{78101}}^1$

素因数の和:78147

約数の個数: 48

約数和(自身を含む): 944721792

約数和(自身を除く): 557340832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 78101, 156202, 312404, 390505, 624808, 781010, 1249616, 1562020, 2421131, 2499232, 3124040, 4842262, 6248080, 9684524, 12105655, 12496160, 19369048, 24211310, 38738096, 48422620, 77476192, 96845240, 193690480, 387380960]

約数ペア:

[(1, 387380960), (2, 193690480), (4, 96845240), (5, 77476192), (8, 48422620), (10, 38738096), (16, 24211310), (20, 19369048), (31, 12496160), (32, 12105655), (40, 9684524), (62, 6248080), (80, 4842262), (124, 3124040), (155, 2499232), (160, 2421131), (248, 1562020), (310, 1249616), (496, 781010), (620, 624808), (992, 390505), (1240, 312404), (2480, 156202), (4960, 78101)]