71232920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1669}}^1$

素因数の和:1788

約数の個数: 64

約数和(自身を含む): 176752800

約数和(自身を除く): 105519880

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, 1669, 1940, 2134, 3338, 3880, 4268, 5335, 6676, 8345, 8536, 10670, 13352, 16690, 18359, 21340, 33380, 36718, 42680, 66760, 73436, 91795, 146872, 161893, 183590, 323786, 367180, 647572, 734360, 809465, 1295144, 1618930, 1780823, 3237860, 3561646, 6475720, 7123292, 8904115, 14246584, 17808230, 35616460, 71232920]

約数ペア:

[(1, 71232920), (2, 35616460), (4, 17808230), (5, 14246584), (8, 8904115), (10, 7123292), (11, 6475720), (20, 3561646), (22, 3237860), (40, 1780823), (44, 1618930), (55, 1295144), (88, 809465), (97, 734360), (110, 647572), (194, 367180), (220, 323786), (388, 183590), (440, 161893), (485, 146872), (776, 91795), (970, 73436), (1067, 66760), (1669, 42680), (1940, 36718), (2134, 33380), (3338, 21340), (3880, 18359), (4268, 16690), (5335, 13352), (6676, 10670), (8345, 8536)]