127803380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 273490560

約数和(自身を除く): 145687180

約数列:

[1, 2, 4, 5, 10, 20, 101, 151, 202, 302, 404, 419, 505, 604, 755, 838, 1010, 1510, 1676, 2020, 2095, 3020, 4190, 8380, 15251, 30502, 42319, 61004, 63269, 76255, 84638, 126538, 152510, 169276, 211595, 253076, 305020, 316345, 423190, 632690, 846380, 1265380, 6390169, 12780338, 25560676, 31950845, 63901690, 127803380]

約数ペア:

[(1, 127803380), (2, 63901690), (4, 31950845), (5, 25560676), (10, 12780338), (20, 6390169), (101, 1265380), (151, 846380), (202, 632690), (302, 423190), (404, 316345), (419, 305020), (505, 253076), (604, 211595), (755, 169276), (838, 152510), (1010, 126538), (1510, 84638), (1676, 76255), (2020, 63269), (2095, 61004), (3020, 42319), (4190, 30502), (8380, 15251)]