813890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 1871424

約数和(自身を除く): 1057534

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 151, 154, 245, 302, 385, 490, 539, 755, 770, 1057, 1078, 1510, 1661, 2114, 2695, 3322, 5285, 5390, 7399, 8305, 10570, 11627, 14798, 16610, 23254, 36995, 58135, 73990, 81389, 116270, 162778, 406945, 813890]

約数ペア:

[(1, 813890), (2, 406945), (5, 162778), (7, 116270), (10, 81389), (11, 73990), (14, 58135), (22, 36995), (35, 23254), (49, 16610), (55, 14798), (70, 11627), (77, 10570), (98, 8305), (110, 7399), (151, 5390), (154, 5285), (245, 3322), (302, 2695), (385, 2114), (490, 1661), (539, 1510), (755, 1078), (770, 1057)]