206721690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{140627}}^1$

素因数の和:140651

約数の個数: 48

約数和(自身を含む): 577137312

約数和(自身を除く): 370415622

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 140627, 281254, 421881, 703135, 843762, 984389, 1406270, 1968778, 2109405, 2953167, 4218810, 4921945, 5906334, 6890723, 9843890, 13781446, 14765835, 20672169, 29531670, 34453615, 41344338, 68907230, 103360845, 206721690]

約数ペア:

[(1, 206721690), (2, 103360845), (3, 68907230), (5, 41344338), (6, 34453615), (7, 29531670), (10, 20672169), (14, 14765835), (15, 13781446), (21, 9843890), (30, 6890723), (35, 5906334), (42, 4921945), (49, 4218810), (70, 2953167), (98, 2109405), (105, 1968778), (147, 1406270), (210, 984389), (245, 843762), (294, 703135), (490, 421881), (735, 281254), (1470, 140627)]