168457960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3947}}^1$

素因数の和:4066

約数の個数: 64

約数和(自身を含む): 417856320

約数和(自身を除く): 249398360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 1067, 1940, 2134, 3880, 3947, 4268, 5335, 7894, 8536, 10670, 15788, 19735, 21340, 31576, 39470, 42680, 43417, 78940, 86834, 157880, 173668, 217085, 347336, 382859, 434170, 765718, 868340, 1531436, 1736680, 1914295, 3062872, 3828590, 4211449, 7657180, 8422898, 15314360, 16845796, 21057245, 33691592, 42114490, 84228980, 168457960]

約数ペア:

[(1, 168457960), (2, 84228980), (4, 42114490), (5, 33691592), (8, 21057245), (10, 16845796), (11, 15314360), (20, 8422898), (22, 7657180), (40, 4211449), (44, 3828590), (55, 3062872), (88, 1914295), (97, 1736680), (110, 1531436), (194, 868340), (220, 765718), (388, 434170), (440, 382859), (485, 347336), (776, 217085), (970, 173668), (1067, 157880), (1940, 86834), (2134, 78940), (3880, 43417), (3947, 42680), (4268, 39470), (5335, 31576), (7894, 21340), (8536, 19735), (10670, 15788)]