30997681540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221412011}}^1$

素因数の和:221412027

約数の個数: 24

約数和(自身を含む): 74394436032

約数和(自身を除く): 43396754492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221412011, 442824022, 885648044, 1107060055, 1549884077, 2214120110, 3099768154, 4428240220, 6199536308, 7749420385, 15498840770, 30997681540]

約数ペア:

[(1, 30997681540), (2, 15498840770), (4, 7749420385), (5, 6199536308), (7, 4428240220), (10, 3099768154), (14, 2214120110), (20, 1549884077), (28, 1107060055), (35, 885648044), (70, 442824022), (140, 221412011)]