138399990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{242807}}^1$

素因数の和:242836

約数の個数: 32

約数和(自身を含む): 349643520

約数和(自身を除く): 211243530

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 242807, 485614, 728421, 1214035, 1456842, 2428070, 3642105, 4613333, 7284210, 9226666, 13839999, 23066665, 27679998, 46133330, 69199995, 138399990]

約数ペア:

[(1, 138399990), (2, 69199995), (3, 46133330), (5, 27679998), (6, 23066665), (10, 13839999), (15, 9226666), (19, 7284210), (30, 4613333), (38, 3642105), (57, 2428070), (95, 1456842), (114, 1214035), (190, 728421), (285, 485614), (570, 242807)]