42039800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 108274320

約数和(自身を除く): 66234520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 97, 100, 110, 194, 197, 200, 220, 275, 388, 394, 440, 485, 550, 776, 788, 970, 985, 1067, 1100, 1576, 1940, 1970, 2134, 2167, 2200, 2425, 3880, 3940, 4268, 4334, 4850, 4925, 5335, 7880, 8536, 8668, 9700, 9850, 10670, 10835, 17336, 19109, 19400, 19700, 21340, 21670, 26675, 38218, 39400, 42680, 43340, 53350, 54175, 76436, 86680, 95545, 106700, 108350, 152872, 191090, 210199, 213400, 216700, 382180, 420398, 433400, 477725, 764360, 840796, 955450, 1050995, 1681592, 1910900, 2101990, 3821800, 4203980, 5254975, 8407960, 10509950, 21019900, 42039800]

約数ペア:

[(1, 42039800), (2, 21019900), (4, 10509950), (5, 8407960), (8, 5254975), (10, 4203980), (11, 3821800), (20, 2101990), (22, 1910900), (25, 1681592), (40, 1050995), (44, 955450), (50, 840796), (55, 764360), (88, 477725), (97, 433400), (100, 420398), (110, 382180), (194, 216700), (197, 213400), (200, 210199), (220, 191090), (275, 152872), (388, 108350), (394, 106700), (440, 95545), (485, 86680), (550, 76436), (776, 54175), (788, 53350), (970, 43340), (985, 42680), (1067, 39400), (1100, 38218), (1576, 26675), (1940, 21670), (1970, 21340), (2134, 19700), (2167, 19400), (2200, 19109), (2425, 17336), (3880, 10835), (3940, 10670), (4268, 9850), (4334, 9700), (4850, 8668), (4925, 8536), (5335, 7880)]