13223140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 32864832

約数和(自身を除く): 19641692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 131, 140, 196, 206, 245, 262, 412, 490, 515, 524, 655, 721, 917, 980, 1030, 1310, 1442, 1834, 2060, 2620, 2884, 3605, 3668, 4585, 5047, 6419, 7210, 9170, 10094, 12838, 13493, 14420, 18340, 20188, 25235, 25676, 26986, 32095, 50470, 53972, 64190, 67465, 94451, 100940, 128380, 134930, 188902, 269860, 377804, 472255, 661157, 944510, 1322314, 1889020, 2644628, 3305785, 6611570, 13223140]

約数ペア:

[(1, 13223140), (2, 6611570), (4, 3305785), (5, 2644628), (7, 1889020), (10, 1322314), (14, 944510), (20, 661157), (28, 472255), (35, 377804), (49, 269860), (70, 188902), (98, 134930), (103, 128380), (131, 100940), (140, 94451), (196, 67465), (206, 64190), (245, 53972), (262, 50470), (412, 32095), (490, 26986), (515, 25676), (524, 25235), (655, 20188), (721, 18340), (917, 14420), (980, 13493), (1030, 12838), (1310, 10094), (1442, 9170), (1834, 7210), (2060, 6419), (2620, 5047), (2884, 4585), (3605, 3668)]