388302640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4549}}^1$

素因数の和:4670

約数の個数: 80

約数和(自身を含む): 995248800

約数和(自身を除く): 606946160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 388, 440, 485, 776, 880, 970, 1067, 1552, 1940, 2134, 3880, 4268, 4549, 5335, 7760, 8536, 9098, 10670, 17072, 18196, 21340, 22745, 36392, 42680, 45490, 50039, 72784, 85360, 90980, 100078, 181960, 200156, 250195, 363920, 400312, 441253, 500390, 800624, 882506, 1000780, 1765012, 2001560, 2206265, 3530024, 4003120, 4412530, 4853783, 7060048, 8825060, 9707566, 17650120, 19415132, 24268915, 35300240, 38830264, 48537830, 77660528, 97075660, 194151320, 388302640]

約数ペア:

[(1, 388302640), (2, 194151320), (4, 97075660), (5, 77660528), (8, 48537830), (10, 38830264), (11, 35300240), (16, 24268915), (20, 19415132), (22, 17650120), (40, 9707566), (44, 8825060), (55, 7060048), (80, 4853783), (88, 4412530), (97, 4003120), (110, 3530024), (176, 2206265), (194, 2001560), (220, 1765012), (388, 1000780), (440, 882506), (485, 800624), (776, 500390), (880, 441253), (970, 400312), (1067, 363920), (1552, 250195), (1940, 200156), (2134, 181960), (3880, 100078), (4268, 90980), (4549, 85360), (5335, 72784), (7760, 50039), (8536, 45490), (9098, 42680), (10670, 36392), (17072, 22745), (18196, 21340)]