280023220

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{22619}}^1$

素因数の和:23247

約数の個数: 24

約数和(自身を含む): 589024800

約数和(自身を除く): 309001580

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 22619, 45238, 90476, 113095, 226190, 452380, 14001161, 28002322, 56004644, 70005805, 140011610, 280023220]

約数ペア:

[(1, 280023220), (2, 140011610), (4, 70005805), (5, 56004644), (10, 28002322), (20, 14001161), (619, 452380), (1238, 226190), (2476, 113095), (3095, 90476), (6190, 45238), (12380, 22619)]