647050030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{8819}}^1$

素因数の和:8889

約数の個数: 64

約数和(自身を含む): 1371686400

約数和(自身を除く): 724636370

約数列:

[1, 2, 5, 10, 11, 22, 23, 29, 46, 55, 58, 110, 115, 145, 230, 253, 290, 319, 506, 638, 667, 1265, 1334, 1595, 2530, 3190, 3335, 6670, 7337, 8819, 14674, 17638, 36685, 44095, 73370, 88190, 97009, 194018, 202837, 255751, 405674, 485045, 511502, 970090, 1014185, 1278755, 2028370, 2231207, 2557510, 2813261, 4462414, 5626522, 5882273, 11156035, 11764546, 14066305, 22312070, 28132610, 29411365, 58822730, 64705003, 129410006, 323525015, 647050030]

約数ペア:

[(1, 647050030), (2, 323525015), (5, 129410006), (10, 64705003), (11, 58822730), (22, 29411365), (23, 28132610), (29, 22312070), (46, 14066305), (55, 11764546), (58, 11156035), (110, 5882273), (115, 5626522), (145, 4462414), (230, 2813261), (253, 2557510), (290, 2231207), (319, 2028370), (506, 1278755), (638, 1014185), (667, 970090), (1265, 511502), (1334, 485045), (1595, 405674), (2530, 255751), (3190, 202837), (3335, 194018), (6670, 97009), (7337, 88190), (8819, 73370), (14674, 44095), (17638, 36685)]