7313020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 18049248

約数和(自身を除く): 10736228

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2557, 2860, 5114, 10228, 12785, 25570, 28127, 33241, 51140, 56254, 66482, 112508, 132964, 140635, 166205, 281270, 332410, 365651, 562540, 664820, 731302, 1462604, 1828255, 3656510, 7313020]

約数ペア:

[(1, 7313020), (2, 3656510), (4, 1828255), (5, 1462604), (10, 731302), (11, 664820), (13, 562540), (20, 365651), (22, 332410), (26, 281270), (44, 166205), (52, 140635), (55, 132964), (65, 112508), (110, 66482), (130, 56254), (143, 51140), (220, 33241), (260, 28127), (286, 25570), (572, 12785), (715, 10228), (1430, 5114), (2557, 2860)]