650013320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{7499}}^1$

素因数の和:7718

約数の個数: 64

約数和(自身を含む): 1603800000

約数和(自身を除く): 953786680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 985, 1576, 1970, 2167, 3940, 4334, 7499, 7880, 8668, 10835, 14998, 17336, 21670, 29996, 37495, 43340, 59992, 74990, 82489, 86680, 149980, 164978, 299960, 329956, 412445, 659912, 824890, 1477303, 1649780, 2954606, 3299560, 5909212, 7386515, 11818424, 14773030, 16250333, 29546060, 32500666, 59092120, 65001332, 81251665, 130002664, 162503330, 325006660, 650013320]

約数ペア:

[(1, 650013320), (2, 325006660), (4, 162503330), (5, 130002664), (8, 81251665), (10, 65001332), (11, 59092120), (20, 32500666), (22, 29546060), (40, 16250333), (44, 14773030), (55, 11818424), (88, 7386515), (110, 5909212), (197, 3299560), (220, 2954606), (394, 1649780), (440, 1477303), (788, 824890), (985, 659912), (1576, 412445), (1970, 329956), (2167, 299960), (3940, 164978), (4334, 149980), (7499, 86680), (7880, 82489), (8668, 74990), (10835, 59992), (14998, 43340), (17336, 37495), (21670, 29996)]