130709180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7127}}^1$

素因数の和:7274

約数の個数: 48

約数和(自身を含む): 316141056

約数和(自身を除く): 185431876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 7127, 9170, 14254, 18340, 28508, 35635, 49889, 71270, 99778, 142540, 199556, 249445, 498890, 933637, 997780, 1867274, 3734548, 4668185, 6535459, 9336370, 13070918, 18672740, 26141836, 32677295, 65354590, 130709180]

約数ペア:

[(1, 130709180), (2, 65354590), (4, 32677295), (5, 26141836), (7, 18672740), (10, 13070918), (14, 9336370), (20, 6535459), (28, 4668185), (35, 3734548), (70, 1867274), (131, 997780), (140, 933637), (262, 498890), (524, 249445), (655, 199556), (917, 142540), (1310, 99778), (1834, 71270), (2620, 49889), (3668, 35635), (4585, 28508), (7127, 18340), (9170, 14254)]