1387890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{2203}}^1$

素因数の和:2223

約数の個数: 48

約数和(自身を含む): 4125888

約数和(自身を除く): 2737998

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 2203, 4406, 6609, 11015, 13218, 15421, 19827, 22030, 30842, 33045, 39654, 46263, 66090, 77105, 92526, 99135, 138789, 154210, 198270, 231315, 277578, 462630, 693945, 1387890]

約数ペア:

[(1, 1387890), (2, 693945), (3, 462630), (5, 277578), (6, 231315), (7, 198270), (9, 154210), (10, 138789), (14, 99135), (15, 92526), (18, 77105), (21, 66090), (30, 46263), (35, 39654), (42, 33045), (45, 30842), (63, 22030), (70, 19827), (90, 15421), (105, 13218), (126, 11015), (210, 6609), (315, 4406), (630, 2203)]