86901780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{206909}}^1$

素因数の和:206928

約数の個数: 48

約数和(自身を含む): 278087040

約数和(自身を除く): 191185260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 206909, 413818, 620727, 827636, 1034545, 1241454, 1448363, 2069090, 2482908, 2896726, 3103635, 4138180, 4345089, 5793452, 6207270, 7241815, 8690178, 12414540, 14483630, 17380356, 21725445, 28967260, 43450890, 86901780]

約数ペア:

[(1, 86901780), (2, 43450890), (3, 28967260), (4, 21725445), (5, 17380356), (6, 14483630), (7, 12414540), (10, 8690178), (12, 7241815), (14, 6207270), (15, 5793452), (20, 4345089), (21, 4138180), (28, 3103635), (30, 2896726), (35, 2482908), (42, 2069090), (60, 1448363), (70, 1241454), (84, 1034545), (105, 827636), (140, 620727), (210, 413818), (420, 206909)]