645662210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4463}}^1$

素因数の和:4547

約数の個数: 64

約数和(自身を含む): 1319058432

約数和(自身を除く): 673396222

約数列:

[1, 2, 5, 10, 17, 23, 34, 37, 46, 74, 85, 115, 170, 185, 230, 370, 391, 629, 782, 851, 1258, 1702, 1955, 3145, 3910, 4255, 4463, 6290, 8510, 8926, 14467, 22315, 28934, 44630, 72335, 75871, 102649, 144670, 151742, 165131, 205298, 330262, 379355, 513245, 758710, 825655, 1026490, 1651310, 1745033, 2807227, 3490066, 3798013, 5614454, 7596026, 8725165, 14036135, 17450330, 18990065, 28072270, 37980130, 64566221, 129132442, 322831105, 645662210]

約数ペア:

[(1, 645662210), (2, 322831105), (5, 129132442), (10, 64566221), (17, 37980130), (23, 28072270), (34, 18990065), (37, 17450330), (46, 14036135), (74, 8725165), (85, 7596026), (115, 5614454), (170, 3798013), (185, 3490066), (230, 2807227), (370, 1745033), (391, 1651310), (629, 1026490), (782, 825655), (851, 758710), (1258, 513245), (1702, 379355), (1955, 330262), (3145, 205298), (3910, 165131), (4255, 151742), (4463, 144670), (6290, 102649), (8510, 75871), (8926, 72335), (14467, 44630), (22315, 28934)]