207813640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1009}}^1$

素因数の和:1310

約数の個数: 64

約数和(自身を含む): 494496000

約数和(自身を除く): 286682360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 271, 380, 542, 760, 1009, 1084, 1355, 2018, 2168, 2710, 4036, 5045, 5149, 5420, 8072, 10090, 10298, 10840, 19171, 20180, 20596, 25745, 38342, 40360, 41192, 51490, 76684, 95855, 102980, 153368, 191710, 205960, 273439, 383420, 546878, 766840, 1093756, 1367195, 2187512, 2734390, 5195341, 5468780, 10390682, 10937560, 20781364, 25976705, 41562728, 51953410, 103906820, 207813640]

約数ペア:

[(1, 207813640), (2, 103906820), (4, 51953410), (5, 41562728), (8, 25976705), (10, 20781364), (19, 10937560), (20, 10390682), (38, 5468780), (40, 5195341), (76, 2734390), (95, 2187512), (152, 1367195), (190, 1093756), (271, 766840), (380, 546878), (542, 383420), (760, 273439), (1009, 205960), (1084, 191710), (1355, 153368), (2018, 102980), (2168, 95855), (2710, 76684), (4036, 51490), (5045, 41192), (5149, 40360), (5420, 38342), (8072, 25745), (10090, 20596), (10298, 20180), (10840, 19171)]