211683880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{347}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 485585280

約数和(自身を除く): 273901400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 151, 202, 302, 347, 404, 505, 604, 694, 755, 808, 1010, 1208, 1388, 1510, 1735, 2020, 2776, 3020, 3470, 4040, 6040, 6940, 13880, 15251, 30502, 35047, 52397, 61004, 70094, 76255, 104794, 122008, 140188, 152510, 175235, 209588, 261985, 280376, 305020, 350470, 419176, 523970, 610040, 700940, 1047940, 1401880, 2095880, 5292097, 10584194, 21168388, 26460485, 42336776, 52920970, 105841940, 211683880]

約数ペア:

[(1, 211683880), (2, 105841940), (4, 52920970), (5, 42336776), (8, 26460485), (10, 21168388), (20, 10584194), (40, 5292097), (101, 2095880), (151, 1401880), (202, 1047940), (302, 700940), (347, 610040), (404, 523970), (505, 419176), (604, 350470), (694, 305020), (755, 280376), (808, 261985), (1010, 209588), (1208, 175235), (1388, 152510), (1510, 140188), (1735, 122008), (2020, 104794), (2776, 76255), (3020, 70094), (3470, 61004), (4040, 52397), (6040, 35047), (6940, 30502), (13880, 15251)]