210380240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1907}}^1$

素因数の和:2124

約数の個数: 80

約数和(自身を含む): 562142592

約数和(自身を除く): 351762352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 788, 985, 1379, 1576, 1907, 1970, 2758, 3152, 3814, 3940, 5516, 6895, 7628, 7880, 9535, 11032, 13349, 13790, 15256, 15760, 19070, 22064, 26698, 27580, 30512, 38140, 53396, 55160, 66745, 76280, 106792, 110320, 133490, 152560, 213584, 266980, 375679, 533960, 751358, 1067920, 1502716, 1878395, 2629753, 3005432, 3756790, 5259506, 6010864, 7513580, 10519012, 13148765, 15027160, 21038024, 26297530, 30054320, 42076048, 52595060, 105190120, 210380240]

約数ペア:

[(1, 210380240), (2, 105190120), (4, 52595060), (5, 42076048), (7, 30054320), (8, 26297530), (10, 21038024), (14, 15027160), (16, 13148765), (20, 10519012), (28, 7513580), (35, 6010864), (40, 5259506), (56, 3756790), (70, 3005432), (80, 2629753), (112, 1878395), (140, 1502716), (197, 1067920), (280, 751358), (394, 533960), (560, 375679), (788, 266980), (985, 213584), (1379, 152560), (1576, 133490), (1907, 110320), (1970, 106792), (2758, 76280), (3152, 66745), (3814, 55160), (3940, 53396), (5516, 38140), (6895, 30512), (7628, 27580), (7880, 26698), (9535, 22064), (11032, 19070), (13349, 15760), (13790, 15256)]