22149725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 33122880

約数和(自身を除く): 10973155

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 211, 221, 247, 323, 325, 425, 475, 1055, 1105, 1235, 1615, 2743, 3587, 4009, 4199, 5275, 5525, 6175, 8075, 13715, 17935, 20045, 20995, 46631, 52117, 68153, 68575, 89675, 100225, 104975, 233155, 260585, 340765, 885989, 1165775, 1302925, 1703825, 4429945, 22149725]

約数ペア:

[(1, 22149725), (5, 4429945), (13, 1703825), (17, 1302925), (19, 1165775), (25, 885989), (65, 340765), (85, 260585), (95, 233155), (211, 104975), (221, 100225), (247, 89675), (323, 68575), (325, 68153), (425, 52117), (475, 46631), (1055, 20995), (1105, 20045), (1235, 17935), (1615, 13715), (2743, 8075), (3587, 6175), (4009, 5525), (4199, 5275)]