11209880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 27972000

約数和(自身を除く): 16762120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 349, 365, 440, 584, 698, 730, 803, 1396, 1460, 1606, 1745, 2792, 2920, 3212, 3490, 3839, 4015, 6424, 6980, 7678, 8030, 13960, 15356, 16060, 19195, 25477, 30712, 32120, 38390, 50954, 76780, 101908, 127385, 153560, 203816, 254770, 280247, 509540, 560494, 1019080, 1120988, 1401235, 2241976, 2802470, 5604940, 11209880]

約数ペア:

[(1, 11209880), (2, 5604940), (4, 2802470), (5, 2241976), (8, 1401235), (10, 1120988), (11, 1019080), (20, 560494), (22, 509540), (40, 280247), (44, 254770), (55, 203816), (73, 153560), (88, 127385), (110, 101908), (146, 76780), (220, 50954), (292, 38390), (349, 32120), (365, 30712), (440, 25477), (584, 19195), (698, 16060), (730, 15356), (803, 13960), (1396, 8030), (1460, 7678), (1606, 6980), (1745, 6424), (2792, 4015), (2920, 3839), (3212, 3490)]