400819387920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{238582969}}^1$

素因数の和:238582992

約数の個数: 80

約数和(自身を含む): 1420045837440

約数和(自身を除く): 1019226449520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 238582969, 477165938, 715748907, 954331876, 1192914845, 1431497814, 1670080783, 1908663752, 2385829690, 2862995628, 3340161566, 3578744535, 3817327504, 4771659380, 5010242349, 5725991256, 6680323132, 7157489070, 8350403915, 9543318760, 10020484698, 11451982512, 13360646264, 14314978140, 16700807830, 19086637520, 20040969396, 25051211745, 26721292528, 28629956280, 33401615660, 40081938792, 50102423490, 57259912560, 66803231320, 80163877584, 100204846980, 133606462640, 200409693960, 400819387920]

約数ペア:

[(1, 400819387920), (2, 200409693960), (3, 133606462640), (4, 100204846980), (5, 80163877584), (6, 66803231320), (7, 57259912560), (8, 50102423490), (10, 40081938792), (12, 33401615660), (14, 28629956280), (15, 26721292528), (16, 25051211745), (20, 20040969396), (21, 19086637520), (24, 16700807830), (28, 14314978140), (30, 13360646264), (35, 11451982512), (40, 10020484698), (42, 9543318760), (48, 8350403915), (56, 7157489070), (60, 6680323132), (70, 5725991256), (80, 5010242349), (84, 4771659380), (105, 3817327504), (112, 3578744535), (120, 3340161566), (140, 2862995628), (168, 2385829690), (210, 1908663752), (240, 1670080783), (280, 1431497814), (336, 1192914845), (420, 954331876), (560, 715748907), (840, 477165938), (1680, 238582969)]