127780180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{25253}}^1$

素因数の和:25296

約数の個数: 48

約数和(自身を含む): 305472384

約数和(自身を除く): 177692204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 25253, 50506, 101012, 126265, 252530, 277783, 505060, 555566, 580819, 1111132, 1161638, 1388915, 2323276, 2777830, 2904095, 5555660, 5808190, 6389009, 11616380, 12778018, 25556036, 31945045, 63890090, 127780180]

約数ペア:

[(1, 127780180), (2, 63890090), (4, 31945045), (5, 25556036), (10, 12778018), (11, 11616380), (20, 6389009), (22, 5808190), (23, 5555660), (44, 2904095), (46, 2777830), (55, 2323276), (92, 1388915), (110, 1161638), (115, 1111132), (220, 580819), (230, 555566), (253, 505060), (460, 277783), (506, 252530), (1012, 126265), (1265, 101012), (2530, 50506), (5060, 25253)]