173817040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 417629520

約数和(自身を除く): 243812480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 197, 205, 269, 328, 394, 410, 538, 656, 788, 820, 985, 1076, 1345, 1576, 1640, 1970, 2152, 2690, 3152, 3280, 3940, 4304, 5380, 7880, 8077, 10760, 11029, 15760, 16154, 21520, 22058, 32308, 40385, 44116, 52993, 55145, 64616, 80770, 88232, 105986, 110290, 129232, 161540, 176464, 211972, 220580, 264965, 323080, 423944, 441160, 529930, 646160, 847888, 882320, 1059860, 2119720, 2172713, 4239440, 4345426, 8690852, 10863565, 17381704, 21727130, 34763408, 43454260, 86908520, 173817040]

約数ペア:

[(1, 173817040), (2, 86908520), (4, 43454260), (5, 34763408), (8, 21727130), (10, 17381704), (16, 10863565), (20, 8690852), (40, 4345426), (41, 4239440), (80, 2172713), (82, 2119720), (164, 1059860), (197, 882320), (205, 847888), (269, 646160), (328, 529930), (394, 441160), (410, 423944), (538, 323080), (656, 264965), (788, 220580), (820, 211972), (985, 176464), (1076, 161540), (1345, 129232), (1576, 110290), (1640, 105986), (1970, 88232), (2152, 80770), (2690, 64616), (3152, 55145), (3280, 52993), (3940, 44116), (4304, 40385), (5380, 32308), (7880, 22058), (8077, 21520), (10760, 16154), (11029, 15760)]