2398900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 6249600

約数和(自身を除く): 3850700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 149, 161, 175, 230, 298, 322, 350, 460, 575, 596, 644, 700, 745, 805, 1043, 1150, 1490, 1610, 2086, 2300, 2980, 3220, 3427, 3725, 4025, 4172, 5215, 6854, 7450, 8050, 10430, 13708, 14900, 16100, 17135, 20860, 23989, 26075, 34270, 47978, 52150, 68540, 85675, 95956, 104300, 119945, 171350, 239890, 342700, 479780, 599725, 1199450, 2398900]

約数ペア:

[(1, 2398900), (2, 1199450), (4, 599725), (5, 479780), (7, 342700), (10, 239890), (14, 171350), (20, 119945), (23, 104300), (25, 95956), (28, 85675), (35, 68540), (46, 52150), (50, 47978), (70, 34270), (92, 26075), (100, 23989), (115, 20860), (140, 17135), (149, 16100), (161, 14900), (175, 13708), (230, 10430), (298, 8050), (322, 7450), (350, 6854), (460, 5215), (575, 4172), (596, 4025), (644, 3725), (700, 3427), (745, 3220), (805, 2980), (1043, 2300), (1150, 2086), (1490, 1610)]